This Easy Key Lime Pie Recipe creates a refreshing, silky pie that is creamy, bright, and delightfully tangy. The no-bake filling combines key lime juice, cream cheese, sweetened condensed milk, and freshly whipped cream for a smooth texture with minimal effort. Use a store-bought or homemade graham cracker crust to finish this simple, make-ahead dessert perfect for warm-weather gatherings.
If you enjoy straightforward desserts like Homemade Banana Pudding or Mini Cheesecakes with a vanilla wafer crust, this key lime pie offers the same convenience and a lively citrus flavor that shines in spring and summer.
Key Takeaways: Easy Key Lime Pie
- Serves: 8–10; makes well ahead for entertaining
- Time Involved: ~15 minutes for crust, ~15 minutes for filling, plus 4 hours chilling
- Simple Ingredients + Simple Prep: The no-bake, egg-free filling keeps this recipe quick and reliable.
- Crust Options: Use a store-bought 9-inch graham cracker crust or make a homemade crust.
- Allergy-Friendly: Egg-free; gluten-free crust options available
- What Makes This Recipe Stand Out: Fresh whipped cream lightens the filling for a cloud-like texture, and bottled key lime juice ensures consistent flavor without the fuss of juicing many tiny limes.
Recipe Highlights
- Key Tips (don’t skip important steps)
- Ingredient notes and substitutions
- Modifications & variations
- Step-by-step walkthrough with photos
- Storage and make-ahead guidance
- Frequently asked questions
- Printable recipe card
Kristen’s Keys
After making this pie many times for family and friends, these tips ensure a smooth, creamy filling with vibrant lime flavor.
- Room-temperature cream cheese: Softened cream cheese blends completely smooth and prevents lumps.
- Bottled key lime juice + fresh lime zest: Bottled key lime juice delivers consistent flavor without the effort of juicing many small key limes. Use fresh lime zest from regular limes for brightness.
- Add lime juice slowly: Drizzle the juice in while mixing to avoid curdling the cream cheese and to keep the filling silky.
- Chill thoroughly: Refrigerate at least 4 hours, though overnight yields the best texture and cleaner slices.
Happy cooking! xo Kristen
Note on Ingredients
- Key Lime Juice: Bottled key lime juice is convenient and reliable for this recipe. If you prefer fresh key limes, note you’ll need many to reach ½ cup of juice.
- Fresh Limes: Use regular limes for zest to keep the flavor bright; save any squeezed limes for dressings or slaws.
- Cream Cheese: Full-fat, at room temperature, produces the creamiest filling. Avoid fat-free varieties for best texture and flavor.
- Sweetened Condensed Milk: Keeps the filling smooth and sweet without extra sugar in the recipe.
- Graham Cracker Crust: Homemade or store-bought works. For a firmer crust, bake briefly before filling.
Modifications & Variations
- Fresh key limes: Expect to use 16–20 key limes for ½ cup juice; zest before juicing.
- Regular lime juice: About 4 large limes yield ½ cup juice and still make a tasty pie if key limes are unavailable.
- No-bake option: Use a store-bought crust or press the homemade crust and chill instead of baking.
- Springform pan: Use a 9-inch springform for easier slicing; press the crust on the bottom only.
- Gluten-free: Use gluten-free graham crumbs or a pre-made gluten-free crust.
- Serve frozen: Freeze until solid and let sit 10–15 minutes before slicing for a refreshing frozen treat.
How to Make Key Lime Pie
Below is a concise step-by-step overview. Full measurements and formatted instructions appear in the recipe card.
Prepare Graham Cracker Crust
Either use a store-bought 9-inch graham cracker crust or make one in about 15 minutes. The method works with regular or gluten-free graham crackers.
- If starting with whole graham crackers, pulse them in a food processor to a fine crumb. Combine crumbs, melted unsalted butter, and a pinch of salt until the mixture resembles wet sand.
- Press the crumbs into a deep 9-inch pie plate, using the bottom of a measuring cup for an even, compact crust.
- Either chill the crust or bake at 350°F for 10 minutes to set and develop a bit of color. Let cool before filling.
Prepare Key Lime Pie
This no-bake filling is straightforward. Follow the mixing order to avoid lumps and ensure a silky finish.
- Beat 1 cup cold heavy whipping cream until soft peaks form. Set aside.
- Beat 8 ounces of room-temperature full-fat cream cheese until completely smooth and lump-free.
- Mix in a 14-ounce can of sweetened condensed milk, 1 teaspoon vanilla, and 2 tablespoons lime zest until smooth.
- With the mixer running on medium, slowly drizzle in ½ cup key lime juice until incorporated. Add the juice gradually to keep the filling smooth.
- Fold the whipped cream into the lime mixture in two additions, gently using a spatula to preserve the light texture until no streaks remain.
- Spread the filling evenly into the prepared crust and smooth the top.
- Cover the pie surface with plastic wrap to prevent a skin from forming and refrigerate at least 4 hours; overnight is best.
- Slice and serve plain, or garnish with extra lime zest, lime slices, and whipped cream if desired.
Storage Instructions
- Refrigerate: Keep covered in the refrigerator for up to 3 days; the filling begins to lose structure after that.
- Freeze: Wrap tightly and freeze for up to 2 months. Thaw 10–15 minutes at room temperature before slicing if serving frozen.
- Make-Ahead: Best made 12–24 hours ahead for optimal texture and flavor.
Key Lime Pie FAQs
I don’t recommend it. Commercial frozen whipped toppings are sweeter and can mute the bright key lime flavor. Freshly whipped cream keeps the filling light without adding extra sweetness.
No. You can press the crust and chill it for a true no-bake version. Baking for 10 minutes, however, improves texture and helps the crust hold when sliced.
Usually the pie needs more chilling. Ensure the whipped cream reached soft peaks before folding in and refrigerate at least 4 hours.
Beat the cream cheese until fully smooth and add the lime juice slowly while mixing to avoid curdling and keep the filling silky.
This is a no-bake variation. Traditional key lime pie is usually baked with eggs. This version is designed to be easier and creamier while offering classic key lime flavor.
More Desserts Fit for Summer
- Homemade Fudgesicles
- Homemade Drumstick Ice Cream Cones
- No-Churn Vanilla Ice Cream
- Homemade Blackberry Crisp
- Peach Cobbler with Biscuit Topping
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Easy Key Lime Pie
Video
Ingredients
Graham Cracker Crust
- 2 cups graham cracker crumbs (~18 sheets)
- ½ cup unsalted butter, melted
- 1 pinch sea salt
Key Lime Pie
- 1 cup heavy whipping cream, cold
- 1 (8-ounce) package full-fat cream cheese, room temperature
- 1 (14-ounce) can sweetened condensed milk
- 1 teaspoon vanilla extract
- 2 tablespoons lime zest (about 2–3 limes)
- ½ cup key lime juice
- 1 9-inch graham cracker crust, homemade or store-bought
Instructions
For the Crust
- Preheat oven to 350°F (if baking the crust).
- Pulse whole graham crackers in a food processor to fine crumbs, or use pre-made crumbs.
- Mix crumbs with melted butter and a pinch of salt until the mixture resembles wet sand.
- Press into a 9-inch deep pie plate and bake 10 minutes, then cool. (Alternatively, chill the crust for a no-bake version.)
Key Lime Pie
- Beat 1 cup cold heavy cream to soft peaks and set aside.
- Beat 8 ounces room-temperature cream cheese until smooth and lump-free.
- Mix in 14 ounces sweetened condensed milk, 1 tsp vanilla, and 2 tbsp lime zest until combined.
- With the mixer running, slowly drizzle in ½ cup key lime juice until incorporated.
- Gently fold in the whipped cream in two additions until no streaks remain.
- Spoon the filling into the prepared crust, cover, and refrigerate at least 4 hours or overnight.
Equipment
- 9-inch pie pan (or springform pan if preferred)
Notes
Nutrition
Nutrition information is an estimate.
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