Embark on a culinary journey with this incredibly simple yet profoundly delicious Crockpot Sausage and Peppers recipe. This dish is a celebration of classic Italian flavors, meticulously slow-cooked to perfection, ensuring tender sausages, sweet bell peppers, and savory onions are all infused with a rich, aromatic tomato sauce. Whether you’re a seasoned chef or a busy home cook, this “set it and forget it” meal promises maximum flavor with minimal effort, making it an instant family favorite.
The beauty of this slow cooker masterpiece lies in its versatility. While it’s hearty enough to be enjoyed as a stand-alone meal, it also serves as an outstanding accompaniment to a myriad of dishes. Imagine it spooned over a bed of al dente pasta, nestled in warm hoagie rolls for an epic sandwich, or paired with lighter options like zucchini pasta, cauliflower rice, or creamy mashed cauliflower or potatoes. The possibilities are endless, making it a go-to recipe for any day of the week.
Inspired by the overwhelming success of our skillet version of Italian Sausage and Peppers, we knew a slow cooker rendition was a must. This crockpot recipe takes all the beloved elements – the juicy, often spicy Italian sausage, the natural sweetness of vibrant bell peppers, and the subtle bite of onions – and elevates them through hours of gentle simmering. The result is a deeply flavored, comforting dish that tastes like it’s been cooking all day, because, well, it has!
This Italian sausage recipe is so exceptionally good, we wager it will become a regular feature on your dinner rotation. It’s the kind of meal that satisfies a craving for hearty, home-cooked food without tying you to the kitchen. And if you find yourself with a surplus of delicious Italian sausage, be sure to explore our other fantastic recipes such as the rich Italian Sausage Tomato Sauce, the convenient Sheet Pan Sausage and Veggies, and our comforting Cabbage and Sausage Skillet. Each offers unique flavors and preparation methods to keep your meals exciting.
The beauty of the slow cooker truly shines with this recipe. It’s one of those rare dishes that feels equally at home on a bustling weeknight table or as the star attraction when entertaining guests. Its unfussy preparation means you can focus on other tasks while your meal simmers to perfection, filling your home with an irresistible aroma. Simply combine the ingredients, set the timer, and let your slow cooker work its magic, delivering a delicious, tender, and flavorful meal every time.
Essential Ingredients for Crockpot Sausage and Peppers
Creating this flavorful dish requires a handful of fresh, wholesome ingredients that come together beautifully in the slow cooker. Here’s what you’ll need:
- Olive oil — A good quality olive oil is essential for searing the sausage and sautéing the aromatics, building a foundational layer of flavor. Feel free to use your preferred cooking oil.
- Italian sausage links — The star of the show! Opt for fresh, uncooked Italian sausage links. Whether you prefer sweet, mild, or hot Italian sausage is entirely up to your taste. For a healthier option, turkey sausage can be a great alternative. One pound typically equates to about 6 medium-sized links still in their casings, which will be sliced after a quick sear.
- Onion — Onions add a crucial layer of sweetness and aromatic depth. White, yellow, or sweet onions all work wonderfully here. Cutting them into thicker strips helps them maintain their texture and prevents them from disintegrating during the long cooking process.
- Garlic — Fresh garlic is non-negotiable for that authentic Italian flavor. Minced garlic, added to the sautéed onions, contributes significantly to the dish’s rich aroma.
- Mushrooms — While optional, sliced white or cremini mushrooms add an earthy umami flavor and delightful texture. Buying them pre-sliced can save valuable prep time.
- Bell peppers — These vibrant vegetables bring a wonderful sweetness and color to the dish. Red bell peppers are generally the sweetest, followed by orange and yellow. Green bell peppers offer a slightly more bitter, less sweet flavor if you prefer that profile. Using a mix of colors not only enhances the visual appeal but also adds a spectrum of subtle flavor notes.
- Tomato sauce or marinara sauce — This forms the delicious base of your sauce. If you have time, making a homemade sugar-free tomato sauce will undoubtedly elevate the dish. Otherwise, a 28-oz can of quality crushed tomatoes or your favorite marinara sauce works perfectly.
- Salt and pepper to taste — Essential seasonings to bring out and balance all the flavors. Adjust according to your preference and the inherent saltiness of your sausage.
- Fresh parsley — A final flourish of chopped fresh parsley not only adds a bright pop of color but also a fresh, herbaceous note that beautifully complements the rich flavors of the sausage and peppers.
Crafting the Perfect Slow Cooker Italian Sausage and Peppers
Making this incredible dish is surprisingly straightforward, thanks to the magic of slow cooking. Follow these simple steps for a truly memorable meal:
- **Sear the Sausage:** Begin by heating olive oil in a large skillet over medium-high heat until it shimmers. Add your Italian sausage links and cook for approximately 2 minutes on each side. This crucial step creates a beautiful golden-brown crust, locking in flavor and adding a depth that slow cooking alone cannot achieve. The sausages won’t be cooked through at this point, which is perfectly fine. Once seared, transfer them to a cutting board, slice them into desired pieces (halves or thirds work well), and then place them into your slow cooker.
- **Sauté the Aromatics:** Using the same skillet (don’t clean it, those browned bits are flavor!), add the sliced onions. Cook for about 2 minutes, stirring constantly until they begin to soften. If the skillet seems dry, add a touch more olive oil. Next, stir in the minced garlic and cook for just 30 seconds until fragrant. Be careful not to burn the garlic. Immediately transfer the sautéed onions and garlic to the slow cooker, joining the sausage.
- **Brown the Mushrooms (Optional but Recommended):** In the same skillet, if you’re using mushrooms, add them and cook for another 2 minutes, or until they achieve a lovely golden hue. This browning step also enhances their flavor. Transfer the cooked mushrooms to the slow cooker.
- **Combine and Cook:** Now, in your slow cooker, add the sliced bell peppers, tomato sauce (or marinara/crushed tomatoes), salt, and black pepper. Give everything a good stir to combine all the ingredients evenly. Cover the slow cooker with its lid.
- **Set and Forget:** Cook on the LOW setting for 5 hours, or on the HIGH setting for 3 hours. The cooking time may vary slightly depending on your slow cooker, so look for the sausages to be thoroughly cooked through and fork-tender, and the vegetables softened.
- **Garnish and Serve:** Just before serving, sprinkle generously with fresh chopped parsley. This adds a burst of freshness and a vibrant color contrast. Serve hot and enjoy the rich, comforting flavors you’ve created with minimal fuss!
Recipe Tips for Optimal Flavor and Texture
- **Cut Vegetables Thick:** When preparing your onions and bell peppers, ensure they are cut into sturdy, thicker strips (about 1/4-inch wide). This is paramount for a slow-cooked dish, as thinner cuts may break down excessively during the long cooking time, resulting in a mushy texture rather than distinct, tender pieces of vegetable.
- **Enhance with Herbs and Spices:** Feel free to personalize the flavor profile by adding extra herbs and spices. A teaspoon of Italian seasoning, a pinch of dried oregano, or a dash of red pepper flakes can introduce new dimensions of flavor and a touch of heat, if desired.
- **Use Uncooked Sausage:** Always use uncooked Italian sausage in its casing for this recipe. Pre-cooked sausages will become tough and overcooked during the slow-cooking process, compromising the texture and juiciness of the dish.
- **Tomato Sauce Alternatives:** If you don’t have tomato sauce or a can of crushed tomatoes on hand, marinara sauce is an excellent substitute, offering a similar rich, tomato base.
- **Adjust Sauce Consistency:** If you find your tomato sauce is too thick for your liking after cooking, simply stir in a small amount of chicken broth or water, a tablespoon at a time, until you reach your desired consistency.
- **Overnight Prep for Ultimate Convenience:** Maximize your convenience by preparing this dish the night before. Complete steps 1-4, then instead of starting the slow cooker, cover the insert or transfer to an airtight container and refrigerate overnight. In the morning, simply place the ingredients back into the slow cooker, set it, and let it cook throughout the day. You’ll return home to a warm, delicious dinner ready to be served, especially helpful if your slow cooker has a “keep warm” function!
Delightful Ways to Serve Crockpot Sausage and Peppers
This versatile dish offers countless ways to be enjoyed, catering to various tastes and dietary preferences:
- **Classic Hoagie Style:** For a truly indulgent experience, serve the sausage and peppers on toasted hoagie rolls. Top with melted mozzarella and/or provolone cheese for a classic Italian-American sandwich.
- **With Cornbread:** A side of light, fluffy cornbread is perfect for soaking up every drop of the savory sauce, adding a comforting touch.
- **Creamy Pairings:** Spoon the rich mixture over a mound of creamy mashed cauliflower for a low-carb option, or traditional mashed potatoes for a hearty, comforting meal.
- **Over Pasta or Grains:** Serve with your favorite pasta (zucchini noodles for low-carb, or regular pasta), fluffy white rice, or wholesome cauliflower rice to absorb the incredible sauce.
- **On Its Own with Sides:** For a simpler, lighter meal, enjoy the crockpot sausage and peppers as is, perhaps alongside a fresh green salad or a medley of roasted vegetables. Delicious and satisfying!
- **Polenta or Grits:** For a Southern-Italian fusion, serve over creamy polenta or grits, allowing the rich sauce to meld beautifully with the smooth texture.
- **Eggs for Brunch:** Don’t limit this to dinner! Serve leftover sausage and peppers with fried or poached eggs for a hearty, flavorful brunch.
More Irresistible Sausage Recipes to Explore:
If you love the convenience and flavor of cooking with sausage, here are a few more recipes from our kitchen that you’re sure to enjoy:
- **Sausage and Kale Stuffed Acorn Squash:** A truly feel-good meal, this recipe is perfect for a chilly day. Packed with comforting fall flavors, it features savory sausage and nutritious kale nestled inside roasted acorn squash. It’s elegant enough for entertaining yet simple enough for a weeknight.
- **Italian Sausage, Onions and Peppers Skillet:** For those times when you prefer a quicker, one-pan preparation, this skillet version is a fantastic choice. It’s a low-carb, gluten-free, paleo, and Whole30-friendly recipe that delivers all the classic flavors with minimal cleanup.
- **Italian Sausage Tomato Sauce:** This rich and savory sauce, brimming with delicious tomato flavors and aromatic spices, is incredibly versatile. It’s perfect spooned over any pasta, polenta, or even used as a base for pizza. Meal prep a batch of this sauce to have quick, flavorful dinners ready throughout the week.
- **Low-carb Sheet Pan Sausage and Veggies:** Simplify your dinner routine with this easy sheet pan meal. Featuring flavorful sausages and a colorful array of vegetables, it’s a quick, healthy, and incredibly convenient option with cleanup being an absolute breeze.
Crockpot Sausage and Peppers Recipe
Video
Ingredients
- 1 tbsp olive oil
- 1 lb fresh Italian sausage links – nitrate-free (or 6 medium Italian sausage links in their casing)
- 1 medium onion cut into 1/4-inch-wide strips
- 3 cloves garlic
- 8 oz (227) white mushroom sliced
- 2 red bell pepper cut into 1/4-inch-wide strips
- 1 1/2 cup any tomato sauce (I prefer homemade tomato sauce or you can use 28oz can of crushed tomatoes)
- Coarse salt and ground black pepper to taste
- Fresh parsley for garnishing
Instructions
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Over medium-high, heat olive oil in a large skillet. Add sausage links, and cook for about 2 minutes each side, just until they get brown (but the sausage will not be cooked though).
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Place them on a cutting board, slice them and place in the slow cooker.
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Add onions and cook for about 2 minutes. Stir constantly. Then add garlic and cook for 30 seconds. Transfer onions and garlic to the slow cooker.
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In the same skillet add mushroom (if necessary pour more olive oil in the skillet) and cook for 2 minutes or until they get a nice golden color. Transfer to the slow cooker.
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Add bell pepper, tomato sauce, salt and black pepper to the slow cooker.
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Cover and cook for 5 hours on low or 3 hours on high, or until sausages are cooked through and tender. Top with parsley. Enjoy!
Notes
- For an easier clean-up, use a slow cooker liner.
- I like using red bell peppers as they’re sweeter. You can also use orange or yellow bell peppers for variety.
- To save prep time, consider buying pre-sliced mushrooms.
- Do not skip searing the ingredients in your skillet before adding to the slow cooker. It adds a ton of irreplaceable flavor and depth to the overall dish.
- To store: Store any leftover Crockpot Sausage and Peppers in an airtight container in the refrigerator for up to 4 days.
- To reheat: Reheat leftovers gently on the stove over medium-low heat or in the microwave until thoroughly warmed through.
- To freeze: Once completely cooled, you can freeze the cooked sausage and peppers for up to 3 months. Make sure to thaw completely in the refrigerator overnight before reheating.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
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