Key lime pie is a delightful dessert that combines the refreshing tanginess of lime with the sweetness of condensed milk, all wrapped in a crisp graham cracker crust. This classic recipe is quick and easy, requiring only five simple ingredients, making it a perfect go-to dessert for any occasion.

Why You’ll Love This Recipe

This key lime pie recipe is beloved for its perfect balance of tart and sweet flavors, making it a refreshing dessert that is both creamy and light. The simplicity of the recipe means you can have a delicious pie on your table in just over an hour. Plus, it requires minimal ingredients that you likely already have on hand, making it an ideal treat for spontaneous baking.

Ingredients

• 3 cups sweetened condensed milk

• ¾ cup key lime juice

• ½ cup sour cream

• 1 tablespoon grated lime zest

• 1 (9-inch) prepared graham cracker crust

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

Directions

1. Preheat your oven to 350°F (175°C).

2. In a mixing bowl, combine the sweetened condensed milk, key lime juice, sour cream, and lime zest. Stir well until smooth.

3. Pour the filling into the prepared graham cracker crust.

4. Place the pie on a baking sheet and bake in the preheated oven for 5 to 8 minutes, or until tiny bubbles begin to appear and pop on the surface of the pie. The filling should remain wobbly but should not brown.

5. Remove the pie from the oven and allow it to cool on a wire rack. Once cooled, transfer it to the refrigerator to chill for about 1 hour.

6. Garnish with whipped cream and lime slices if desired. Serve chilled.

Servings and Timing

• Servings: 8

• Prep time: 15 minutes

• Cook time: 5 minutes

• Additional time: 1 hour (for chilling)

• Total time: 1 hour 20 minutes

Variations

• Lemon Key Lime Pie: Substitute the key lime juice with fresh lemon juice for a zesty twist.

• Coconut Crust: For an added layer of flavor, make a coconut graham cracker crust by adding toasted shredded coconut to the crust mixture.

• Mini Key Lime Pies: For individual servings, use small tart pans or muffin tins to make mini pies. Reduce the baking time accordingly.

Storage/Reheating

• Storage: Cover the cooled pie tightly with plastic wrap or foil and store it in the refrigerator for up to 3 days.

• Freezing: Key lime pie can be frozen for up to 3 months. To freeze, wrap the pie in plastic wrap and foil before storing in the freezer. When ready to serve, thaw the pie in the refrigerator overnight before adding toppings.

• Reheating: While it’s not necessary to reheat key lime pie, you can remove it from the fridge 15-20 minutes before serving to take the chill off if you prefer it at room temperature.

FAQs

1. Can I use regular limes instead of key limes?

Yes, you can substitute regular limes for key limes, but key limes provide a more intense and tangy flavor.

2. Can I make this pie without sour cream?

Yes, if you don’t have sour cream, you can use plain yogurt or crème fraîche as an alternative.

3. Is it necessary to bake the pie?

Yes, the pie needs to be baked briefly to set the filling. The baking process also enhances the flavor.

4. Can I use store-bought graham cracker crust?

Absolutely! While a homemade crust is great, a store-bought graham cracker crust will work perfectly well for convenience.

5. How can I make the crust extra flavorful?

Add cinnamon or a pinch of salt to the graham cracker crumbs for added depth of flavor.

6. Can I freeze key lime pie?

Yes, key lime pie can be frozen. Just make sure to wrap it well to prevent freezer burn, and add toppings after thawing.

7. How long does key lime pie last in the fridge?

Key lime pie will keep for up to 3 days in the refrigerator. Be sure to store it properly, covered tightly with plastic wrap or foil.

8. What can I use as a topping for key lime pie?

Whipped cream, lime slices, or even toasted coconut flakes are popular toppings for key lime pie.

9. Can I double the recipe for a larger pie?

Yes, you can double the recipe and bake it in a larger dish, such as a 9×13-inch pan. Just ensure you adjust the baking time accordingly.

10. Why isn’t my key lime pie setting properly?

If your pie isn’t setting properly, it may need more time in the refrigerator to cool completely. Also, ensure you’ve followed the proper baking time, as underbaking may result in a less firm filling.

Conclusion

This classic key lime pie recipe is simple yet delicious, perfect for anyone who loves tangy, creamy desserts. Its ease of preparation and the use of common ingredients make it a must-try, whether you’re hosting a summer gathering or simply craving something refreshing. With a graham cracker crust and the perfect balance of sweet and tart, this dessert is sure to become a favorite in your baking repertoire.