Easy Instant Pot Tuna Noodle Casserole: A Creamy, No-Soup Family Favorite

Prepare to fall in love with this Instant Pot Tuna Noodle Casserole – a recipe so simple and satisfying, it’s destined to become a staple in your family’s meal rotation! Forget those outdated versions relying on canned soups; this modern take delivers all the creamy, cozy comfort you crave, made effortlessly in your electric pressure cooker. It’s a truly budget-friendly meal that comes together quickly, perfect for even the busiest weeknights when you need a hearty, homemade dinner on the table in a flash.

Why This Instant Pot Tuna Noodle Casserole is a Must-Try Weeknight Meal

You asked for a super easy, incredibly delicious Instant Pot Tuna Noodle Casserole, and this recipe delivers beyond expectations! It’s a proven keeper that will simplify your dinner routine without compromising on flavor or comfort. Here’s why this pressure cooker tuna pasta dish deserves a top spot in your culinary repertoire:

• Effortless “Dump-and-Cook” Method: Simplicity is key for busy families! Just like other popular Instant Pot recipes such as Instant Pot Chicken Fajitas, Instant Pot Chicken Gnocchi Soup, and Instant Pot Chicken Tacos, there’s no need for pre-sautéing or complex steps. You simply combine the ingredients, set your Instant Pot, and let it work its magic. This makes it an ideal quick family dinner for any night of the week when time is of the essence.
• No Condensed Canned Soups: Say goodbye to heavily processed ingredients! Just as we skip canned soups in our Instant Pot Beef Stroganoff, Instant Pot Chicken and Rice, and Instant Pot Pork Chops and Mushrooms recipes, this tuna noodle casserole achieves its incredible creaminess through wholesome, readily available ingredients. This ensures a fresher, more natural flavor profile that you’ll feel great about serving to your loved ones.
• Incredibly Budget-Friendly: Tuna is renowned as one of the most economical protein sources, making this casserole a fantastic choice for feeding a crowd without breaking the bank. Combined with basic pantry staples like noodles and common seasonings, this meal offers maximum flavor and satisfaction at a minimal cost. It’s a smart solution for delicious and fulfilling eating on a budget.
• Quick & Convenient: From the moment you start prepping to the first delicious bite, this creamy one-pot pasta dish is ready in under 30 minutes. This includes the Instant Pot’s time to build pressure and the natural release duration. This remarkable speed makes it an unbeatable option for busy evenings when you need a hot, homemade meal on the table fast without much fuss.
• Customizable Comfort Food: While the base recipe for this homemade tuna casserole is utterly perfect as is, it’s also wonderfully adaptable to your family’s tastes. You can easily adjust seasonings, incorporate extra vegetables like corn or spinach, or even experiment with different types of cheese (cheddar is a popular choice for a sharper flavor) to suit individual preferences. It’s comforting, hearty food, elevated and simplified for modern home cooks.

Happy Cooking!
xo Kristen

Essential Ingredients for Your Instant Pot Tuna Noodle Casserole (and Smart Swaps!)

Crafting the perfect creamy tuna noodle casserole begins with a selection of simple, quality ingredients. Here’s a closer look at what you’ll need, along with helpful notes and potential substitutions to ensure success and flavor every time you prepare this comforting dish:

• Egg Noodles: The quintessential choice for tuna noodle casserole, egg noodles boast a tender texture and absorb the creamy sauce beautifully. You can use either traditional wide egg noodles or whole wheat varieties for added fiber. If you prefer, elbow macaroni or medium shells also work wonderfully; just remember to adjust the cooking time as noted in the recipe card for perfect al dente pasta.
• Tuna Fish: The star protein of this classic dish! You have the flexibility to opt for either light tuna (chunk or flaked) or Albacore tuna, whether it’s canned in water or oil, or sold in a convenient pouch. Personally, I find that Albacore tuna sold in a pouch offers the best flavor with the least “fishy” taste, providing a premium texture and taste for your casserole. Always ensure your tuna is thoroughly drained before adding it to the pot to prevent a watery sauce.
• Chicken Stock: This flavorful liquid forms the base for cooking the noodles under pressure, infusing them with rich savory notes. For the best flavor and sodium control, use low-sodium store-bought chicken stock. For an even deeper, more complex flavor, consider making your own homemade chicken stock or Instant Pot chicken stock. Vegetable broth can be used as a vegetarian alternative.
• Seasonings: A simple yet incredibly effective blend of onion powder, garlic powder, salt, and black pepper creates a savory foundation that elevates the entire dish. The addition of celery seed is entirely optional but highly recommended! It introduces a wonderfully fresh, slightly earthy note that perfectly complements the tuna and enhances the overall flavor profile of the casserole, making it truly special.
• Sour Cream: This ingredient is absolutely essential for achieving that signature creamy consistency and tangy richness without relying on heavily processed condensed soups. Use full-fat or reduced-fat sour cream for the best results in terms of texture and taste. Avoid fat-free versions, as they often don’t provide the same richness, mouthfeel, or stability when heated, potentially leading to a thinner or less satisfying sauce.
• Frozen Peas: For a delightful pop of vibrant color, a touch of fresh flavor, and added nutrients, frozen peas are a fantastic inclusion. They cook quickly with the residual heat of the casserole, integrating seamlessly. If peas aren’t a family favorite, feel free to omit them entirely or swap them for other quick-cooking vegetables like frozen corn, diced carrots, or a mix of frozen mixed vegetables.
• Parmesan Cheese: While traditional culinary wisdom often advises against mixing cheese and fish, grated Parmesan is a delightful and widely accepted exception in many dishes, including this one. It adds a wonderfully savory, salty, and slightly nutty depth that makes this Instant Pot Tuna Noodle Casserole truly irresistible. Freshly grated Parmesan will always offer the best flavor, but good quality pre-grated Parmesan works perfectly well too.
• Cream or Milk: After pressure cooking and stirring in the creamy components, a splash of milk or cream can be added to achieve your desired level of luscious creaminess. Start with a couple of tablespoons and add more as needed, stirring until the casserole reaches your perfect consistency. This step is particularly helpful to thin the sauce if it appears too thick, ensuring a velvety smooth finish.
• Optional Add-ins: For an extra layer of savory umami, consider adding a drained 6-ounce can of sliced mushrooms to this recipe along with the tuna. A sprinkle of fresh chopped parsley or chives just before serving can also add brightness and a gourmet touch.

Step-by-Step Guide: How to Make Instant Pot Tuna Noodle Casserole

Making this creamy, comforting casserole in your Instant Pot is incredibly straightforward and incredibly fast. Follow these simple steps for perfect, delicious results every time. You’ll find the precise ingredient quantities and detailed instructions in the complete recipe card at the bottom of this post.

1. Combine Base Ingredients: Begin by adding the 4 cups of low sodium chicken stock, ½ teaspoon kosher salt, ½ teaspoon onion powder, ½ teaspoon garlic powder, ½ teaspoon celery seed (if you’re using it), ¼ teaspoon black pepper, and your 10 ounces of well-drained albacore or light tuna into the inner pot of your electric pressure cooker. Give these ingredients a gentle stir to combine them thoroughly, ensuring the savory flavors are well distributed throughout the liquid.
2. Add the Noodles: Carefully add the 12 ounces of egg noodles to the liquid mixture in the pot. Using a spoon or spatula, gently push the noodles down so they are arranged in an even layer and are submerged as much as possible into the broth. Don’t worry if a few noodles aren’t completely covered by the liquid; the powerful moist heat generated during the pressure cooking process will ensure they cook through perfectly, becoming tender and delicious without drying out.



3. Pressure Cook: Secure the lid onto your Instant Pot, making absolutely sure the sealing ring is properly in place. Turn the venting knob to the ‘Sealing’ position (or ensure the lid is locked, depending on your specific Instant Pot model). Select the ‘Manual’ or ‘Pressure Cook’ button and set the cooking time to **5 minutes** on High Pressure. This short cooking time is perfectly calibrated for egg noodles, ensuring they remain tender with a slight bite, rather than becoming mushy.
4. Natural Pressure Release (NPR) then Quick Release (QR): Once the 5-minute cooking cycle is complete, allow the pressure to release naturally for **EXACTLY 5 minutes**. This crucial step, known as a 5-minute Natural Pressure Release (NPR), helps the noodles finish cooking gently, prevents them from becoming starchy or overcooked, and allows the flavors to meld beautifully. After the 5 minutes have passed, carefully and slowly move the vent knob from ‘Sealing’ to ‘Venting’ (Quick Release) to release any remaining pressure. Always stand back and use a kitchen towel or oven mitt to protect your hand from the hot steam.
5. Stir in Creamy Additions: Once the pressure has been fully released and the float valve has dropped completely, it’s safe to open the Instant Pot. Add the 1 cup of sour cream, ⅓ cup of grated Parmesan cheese, 1 cup of frozen peas, and an initial 2 tablespoons of milk or cream to the cooked noodles and tuna mixture.



6. Achieve Desired Creaminess and Serve: Stir everything together until all the added ingredients are well incorporated and the sauce is smooth, rich, and creamy. The residual heat from the pot will gently warm the frozen peas through and help melt the Parmesan cheese, creating a luxurious sauce. If the casserole appears too thick for your liking, slowly add a bit more milk or cream, one tablespoon at a time, continuing to stir until you reach your desired perfectly luscious and creamy consistency. If your peas aren’t fully warmed through, simply place the lid back on the Instant Pot for just a couple of minutes (without turning it on) to allow the residual heat to do its job. Then, dish out your delicious Instant Pot Tuna Noodle Casserole and serve it hot immediately. Enjoy this comforting, hassle-free meal that tastes like it took hours, not minutes!

Tips for Perfect Instant Pot Tuna Noodle Casserole Every Time

Ensuring your Instant Pot Tuna Noodle Casserole turns out perfectly creamy and delicious is easy with a few expert tips. Here are some insights and frequently asked questions to help you achieve the best results:

• Choosing Your Tuna Wisely: For the most delicate flavor and a less “fishy” taste, I highly recommend opting for flaked Albacore tuna that is sold in a pouch. Canned Albacore tuna is an excellent second choice. While light canned tuna will certainly work, it may have a slightly stronger tuna flavor. Regardless of your choice, always remember to drain your tuna thoroughly to prevent a watery casserole.
• The Best Sour Cream for Creaminess: To achieve that desired luxurious creamy texture and rich, tangy flavor, it’s crucial to use either full-fat or reduced-fat sour cream. Avoid fat-free sour cream, as its texture and taste will not yield the same delicious and consistent results when heated within the casserole, potentially leading to a thinner or less satisfying sauce.
• Don’t Skip the Celery Seed: This might seem like a small, unassuming ingredient, but celery seed adds a unique, wonderfully fresh, and slightly earthy flavor that truly complements the tuna in an unexpected way. While technically optional, it is highly encouraged for an authentic, elevated taste that sets this homemade tuna casserole apart.
• Noodle Variety and Cooking Times: This recipe is specifically designed for egg noodles, but its versatility means you can experiment! If you prefer to use elbow macaroni or other smaller, similarly shaped pasta (like ditalini or small shells), remember to reduce the High Pressure cooking time to **3 minutes**, followed by the standard 5-minute natural pressure release. This adjustment helps prevent overcooking and ensures your pasta remains perfectly al dente.
• Boost with More Veggies: Frozen peas are a classic and delicious addition for a pop of color and fresh flavor. However, feel free to get creative! You can easily swap them for frozen corn, or for an added layer of savory umami, stir in a drained 6-ounce can of sliced mushrooms along with the tuna. For a lighter, fresher touch, a handful of fresh spinach or finely chopped bell peppers can also be stirred in at the very end; the residual heat will wilt them perfectly.
• Adjusting Sauce Consistency: After stirring in the sour cream, Parmesan, and peas, you might find your casserole to be thicker than desired. This can happen due to varying liquid absorption by different noodle brands or slight differences in initial liquid amounts. To restore its perfect creamy texture, slowly add an extra tablespoon or two of milk or cream, stirring continuously, until it reaches your preferred luxurious consistency.

More Delicious One-Pot Instant Pot Pasta Meals to Try

If you’ve fallen in love with the incredible convenience, speed, and delicious flavor of this Instant Pot Tuna Noodle Casserole, you’ll definitely want to explore these other fantastic one-pot pasta recipes that can be made right in your pressure cooker. They are perfect for simplifying your weeknight dinners!

• Instant Pot Taco Pasta – A zesty, vibrant, and incredibly flavorful meal inspired by your favorite taco night, all in one pot.
• Instant Pot Creamy Italian Pasta – Rich and savory, this dish brings authentic Italian comfort food to your table with minimal effort.
• Instant Pot Fettuccine Alfredo – Enjoy a classic, decadent Alfredo sauce and perfectly cooked fettuccine, made incredibly easy and quick in your pressure cooker.
• Instant Pot Hamburger Helper – A wholesome, homemade, and healthier take on a beloved childhood favorite, without the boxed ingredients.
• Instant Pot Spaghetti – Create perfect spaghetti with a rich meat sauce, entirely cooked in just one pot, minimizing cleanup.
• Instant Pot Burrito Bowl – A flavorful and satisfying deconstructed burrito meal, packed with all your favorite Tex-Mex flavors.
• Instant Pot Mac and Cheese – Discover the creamiest, most effortlessly delicious mac and cheese you’ll ever make, ready in minutes.
• Instant Pot Rigatoni with Sausage – A hearty and robust pasta dish featuring tender rigatoni and savory Italian sausage, cooked to perfection.

Rated 4.97 from 30 votes

Instant Pot Tuna Noodle Casserole

By:
Kristen Chidsey

Yields:
6 servings

Prep Time:
5 minutes

Cook Time:
5 minutes

Pressure Build & Release:
15 minutes

Total Time:
25 minutes

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This recipe for Instant Pot Tuna Noodle Casserole is an easy, dump-and-cook recipe featuring tender egg noodles, peas, and tuna in a homemade creamy sauce. A perfect quick family dinner!

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Ingredients

• 4 cups low sodium chicken stock
• ½ teaspoon kosher salt
• ½ teaspoon onion powder
• ½ teaspoon garlic powder
• ½ teaspoon celery seed (optional, but recommended)
• ¼ teaspoon black pepper
• 10 ounces albacore or light tuna, canned or pouched, well-drained
• 12 ounces egg noodles (or elbow macaroni, see notes for cooking time)
• 1 cup sour cream (full-fat or reduced-fat)
• ⅓ cup grated parmesan cheese
• 1 cup frozen peas
• 2 tablespoons milk or cream, plus more as needed for consistency

Instructions

1. Combine Base Ingredients: Inside the inner pot of your electric pressure cooker, combine the 4 cups low sodium chicken stock, ½ teaspoon kosher salt, ½ teaspoon onion powder, ½ teaspoon garlic powder, ½ teaspoon celery seed (if using), ¼ teaspoon black pepper, and 10 ounces well-drained albacore or light tuna. Stir gently to mix.
2. Add Noodles: Add the 12 ounces of egg noodles to the liquid. Gently push the noodles down to ensure they are in an even layer and mostly submerged in the broth. It’s okay if a few noodles are not fully covered; they will still cook perfectly with the moist heat.
3. Pressure Cook: Secure the lid on the Instant Pot, ensuring the venting knob is sealed. Select ‘High Pressure’ (or ‘Manual’) and set the timer for 5 minutes.
4. Release Pressure: Once cooking is complete, allow a Natural Pressure Release (NPR) for EXACTLY 5 minutes. After 5 minutes, carefully perform a Quick Release (QR) by slowly turning the vent knob to the ‘Venting’ position. Stand back to avoid steam.
5. Finish with Creamy Elements: Once pressure is fully released and the float valve drops, open the Instant Pot. Stir in 1 cup sour cream, ⅓ cup grated Parmesan cheese, 1 cup frozen peas, and 2 tablespoons milk or cream. Stir well to incorporate everything. The heat will warm the peas and melt the cheese.
6. Adjust and Serve: If the casserole is too thick, add more milk or cream, one tablespoon at a time, until you reach your desired creamy consistency. If peas need more warming, replace the lid for a few minutes. Serve your delicious Instant Pot Tuna Noodle Casserole immediately and enjoy!

Equipment

• Electric Pressure Cooker (6 or 8 quart)

Notes

Tuna Recommendation: For the best flavor and least “fishy” taste, I highly recommend using flaked Albacore tuna sold in a pouch. Canned Albacore is a great second option. Light canned tuna will also work, but its flavor profile may be slightly stronger. Always ensure your tuna is thoroughly drained.

Sour Cream Selection: To achieve the desired creamy texture and rich taste, use either full-fat or reduced-fat sour cream. Fat-free sour cream is not recommended as it does not yield the same consistency or flavor when heated in the casserole.

Celery Seed for Flavor: The addition of celery seed is entirely optional, but it is strongly encouraged! It imparts a wonderfully fresh and slightly savory note that beautifully complements the tuna and enhances the overall depth of flavor in the dish.

Noodle Alternatives: This recipe works well with both whole wheat and regular egg noodles. If you prefer to use elbow macaroni or other small pasta shapes, reduce the pressure cooking time to 3 minutes, followed by a 5-minute natural pressure release to prevent the pasta from becoming overcooked.

Mushrooms Add-in: For those who enjoy mushrooms, feel free to add a drained 6-ounce can of sliced mushrooms into the Instant Pot along with the tuna. This adds an extra layer of earthy flavor.

Storage Guidelines: Store any leftover Instant Pot Tuna Noodle Casserole in an airtight container in the refrigerator for up to 3 days. When reheating, the noodles tend to absorb liquid, so you may need to add a splash of milk or broth to thin the dish back to its original creamy consistency. Freezing this recipe is not recommended, as the dairy components can separate.

Nutrition Facts

Calories: 475kcal


Carbohydrates: 63g


Protein: 30g


Fat: 11g


Saturated Fat: 5g


Polyunsaturated Fat: 2g


Monounsaturated Fat: 3g


Trans Fat: 0.05g


Cholesterol: 102mg


Sodium: 468mg


Potassium: 599mg


Fiber: 4g


Sugar: 3g


Vitamin A: 426IU


Vitamin C: 10mg


Calcium: 159mg


Iron: 3mg

Nutrition information is automatically calculated, so should only be used as an approximation.

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