The Best Key Lime Pie Recipe You’ll Ever Make

Indulge in the refreshing tang of this Key Lime Pie! With its buttery graham cracker crust, smooth and creamy key lime filling, and cloud-like whipped cream topping, this dessert is a guaranteed crowd-pleaser. This recipe simplifies the process, so you can enjoy a slice of paradise without spending hours in the kitchen.

A Maryland Inspiration: From Milkshake to Pie Perfection

This past summer, a trip to Maryland sparked the inspiration for this incredible Key Lime Pie. While there, I tried a Key Lime Pie milkshake that was simply unforgettable. It was one of the culinary highlights of the trip, right up there with the Spumoni Ice Cream Bars I later recreated. Though I haven’t featured many key lime recipes here (other than my Lime Cookies), it’s time to change that!

This Key Lime Pie is not just good; it rivals (dare I say, surpasses) that amazing milkshake. It’s an adaptation of a beloved lemon pie recipe and is the perfect way to savor the last days of summer. Get ready for a dessert that will become a new family favorite!

Key Lime Pie Ingredients: What You’ll Need

Let’s gather the ingredients needed to create this dreamy Key Lime Pie. Here’s a breakdown to ensure your pie turns out perfectly:

Ingredient	Tips & Swaps
Graham Cracker Crumbs	Store-bought crumbs work, but crushing full sheets yourself gives the best texture. For a truly homemade experience, consider making a graham cracker pie crust from scratch.
Butter	Unsalted butter is key! This prevents the crust from tasting overly salty.
Sweetened Condensed Milk	This ingredient is the heart of the filling, providing its signature creamy texture and sweetness. Always use full-fat sweetened condensed milk for the best results.
Egg Yolks	Egg yolks are essential for thickening the filling and creating that silky-smooth texture that Key Lime Pie is known for.
Key Lime Juice	Bottled Key lime juice is a convenient and perfectly acceptable option. It saves you the hassle of squeezing dozens of tiny limes. If you’re feeling ambitious, fresh-squeezed juice will add an extra layer of flavor.
Heavy Cream	Whip this into a light and airy homemade whipped cream for the perfect finishing touch. Store-bought whipped topping can be used in a pinch, but homemade is always better!

Step-by-Step: How to Make the Best Key Lime Pie

Ready to bake? Follow these simple steps to create the best Key Lime Pie you’ve ever tasted:

Preheat Oven: Start by preheating your oven to 350°F (176°C).
Make the Crust: Combine the graham cracker crumbs, sugar, and melted butter. Press the mixture into a 9-inch pie dish and bake for 8 minutes.
Prepare the Filling: In a mixing bowl, combine the sweetened condensed milk, egg yolks, Key lime juice, and salt. Mix until smooth and well combined. Pour the filling into the baked crust.
Bake the Pie: Bake the pie for 10-15 minutes, or until the filling is set but still slightly jiggly in the center.
Cool and Chill: Allow the pie to cool at room temperature for about 30 minutes, then refrigerate for at least 1 hour (or preferably longer) to allow it to fully set.
Whip the Cream: While the pie is chilling, whip together the heavy cream, powdered sugar, and vanilla extract until stiff peaks form.
Assemble and Serve: Once the pie is thoroughly chilled, spread the whipped cream evenly over the top. Garnish with lime zest, if desired. Slice and serve!

Expert Tips for Key Lime Pie Success

After making this pie countless times, I’ve learned a few tricks to guarantee a perfect outcome every time:

Don’t Skip the Chill Time: The refrigeration period is crucial! It allows the pie to fully set and develop its signature creamy texture.
Use Fresh Whipped Cream: Homemade whipped cream is a game-changer. It adds a light and airy texture that perfectly complements the tangy filling.
Watch the Bake Time: The center of the pie should still jiggle slightly when you remove it from the oven. This ensures a creamy, not dry, texture.
Add a Lime Zest Garnish: A sprinkle of fresh lime zest adds a pop of color and intensifies the lime flavor. Use a citrus zester for the prettiest garnish.

Key Lime Pie Storage Tips

Want to make sure your Key Lime Pie stays fresh and delicious? Here are some storage tips:

Refrigerate: Store the Key Lime Pie in the refrigerator, covered, for up to 3 days.
Freeze (Without Whipped Cream): For longer storage, you can freeze the pie (without the whipped cream topping) for up to 1 month. Thaw it overnight in the refrigerator before serving.
Add Whipped Cream Just Before Serving: If you plan to freeze the pie, add the whipped cream just before serving to prevent it from becoming soggy.

More Delicious Pie Desserts to Try

If you loved this Key Lime Pie recipe, you might also enjoy these other delectable pie creations:

Chocolate Pudding Pie

Slice of berry pie with ice cream on top.

Berry Pie Recipe

Apple Pie

Nutella Pie

Key Lime Pie Recipe

This Key Lime Pie is a flavorful showstopper! With a graham cracker crust, creamy key lime filling, and fluffy whipped cream, it’s as easy as it is delicious.

Recipe Information

Author: Chelsea Lords
Prep Time: 15 minutes
Cook Time: 15 minutes
Chilling Time: 1 hour 30 minutes
Total Time: 2 hours
Servings: 10 slices

Equipment

9-inch Pie pan
Blender or food processor (optional)
Stand mixer or hand mixer

Ingredients

Crust

1-1/2 cups graham cracker crumbs (about 10 full sheets)
1 tablespoon brown sugar (light or dark, firmly packed)
2 tablespoons granulated sugar
1/8 teaspoon salt
7 tablespoons unsalted butter, melted

Pie Filling

2 (14-ounce) cans sweetened condensed milk (full-fat)
4 large egg yolks
3/4 cup Key lime juice
1/8 teaspoon salt

Whipped Cream

1 cup heavy cream
1/3 cup powdered sugar
1 teaspoon vanilla bean paste
Limes or key limes, optional, to zest as garnish

Instructions

Preheat oven to 350°F (176°C). Lightly spray a 9-inch pie dish with cooking spray and set aside.

Crust

Crush graham crackers in a blender or food processor or in a bag with a rolling pin until you have fine crumbs. In a large bowl, combine graham cracker crumbs, brown sugar, granulated sugar, salt, and melted butter. Stir until ingredients are well incorporated. Pour ingredients into the prepared pan and press firmly into the bottom and up the sides of the pie dish. Bake for 8 minutes; remove from oven and set aside to cool.

Pie Filling

Using a mixer, add both cans of sweetened condensed milk, egg yolks, key lime juice, and salt (just a tiny pinch; it helps enhance and balance the sweetness) and mix to combine. Beat on medium speed for 4–5 minutes until smooth.
Pour mixture into the baked pie crust and bake for 10–15 minutes at 350°F. Little bubbles will start to surface; cover the crust if it starts to brown too much toward the end. The pie should only slightly jiggle in the center. Remove from oven and let pie stand at room temperature for 30 minutes. Refrigerate at least 1 hour before serving (I like to chill for 8–10 hours before serving).

Whipped Cream

Combine cream, powdered sugar, and vanilla in a stand mixer with whisk attachment. Whisk on slow at first to combine, then increase the speed and whip until fluffy, about 1–3 minutes (watching carefully). You can either smooth it over the entire cooled pie (if the pie will be consumed that same day) or add it to individual pie servings if the pie won’t be eaten all the same day. Do not add whipped cream to the entire pie if you plan to have leftovers, as the cream gets watery when stored. Refrigerate any pie leftovers. If desired, garnish slices with lime zest. Enjoy right out of the fridge!

Recipe Notes

Storage: Keep the key lime pie in the fridge, covered, for up to 3 days. You can freeze the pie without whipped cream for up to 1 month; thaw overnight in the fridge. Add whipped cream just before serving to avoid sogginess.

Nutrition

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