Classic Key Lime Pie is a delightful dessert that perfectly balances creamy sweetness with tangy citrus. This pie is not only visually stunning but also incredibly easy to make, making it perfect for various occasions—from casual family dinners to festive gatherings. With a homemade graham cracker crust and fluffy whipped cream topping, this classic key lime pie will impress your guests and satisfy your cravings.
Why You’ll Love This Recipe
- Easy Preparation: The steps are simple, making it accessible for bakers of all skill levels.
- Bursting with Flavor: The combination of key lime juice and sweetened condensed milk creates a rich, tangy filling that delights the palate.
- Versatile Dessert: This pie suits any occasion, be it a summer barbecue or a holiday feast.
- Homemade Goodness: Using fresh ingredients elevates the flavor and makes this pie stand out.
- Beautiful Presentation: Topped with homemade whipped cream, it’s as pleasing to the eyes as it is to the taste buds.
Tools and Preparation
Before diving into the recipe, gather your essential tools to ensure a smooth baking experience.
Essential Tools and Equipment
- 9-inch pie plate
- Mixing bowls
- Whisk
- Measuring cups and spoons
- Rubber spatula
Importance of Each Tool
- 9-inch pie plate: Provides the perfect shape for your classic key lime pie.
- Mixing bowls: Essential for combining ingredients easily without spills.
- Whisk: Helps achieve a smooth filling by thoroughly blending ingredients.
- Rubber spatula: Ideal for scraping down bowls and ensuring nothing goes to waste.
Ingredients
This key lime pie features a homemade graham cracker crust, a creamy sweet-tart filling, and homemade whipped cream on top. It’s so easy to make, but it looks spectacular!
For the Crust
- 1 ½ cups graham cracker crumbs (180 grams)
- ⅓ cup granulated sugar (65 grams)
- 6 tablespoons unsalted butter (melted and slightly cooled) (85 grams)
For the Filling
- 1 cup key lime juice (240 ml)
- 2 (14-ounce) cans sweetened condensed milk
- 5 large egg yolks
For Garnish
- Whipped topping or homemade whipped cream

How to Make Classic Key Lime Pie
Step 1: Preheat the Oven
Preheat your oven to 350°F (180°C).
Step 2: Prepare the Graham Cracker Crust
- In a mixing bowl, combine the graham cracker crumbs and sugar until well mixed.
- Add the melted butter and stir until all crumbs are moistened.
- Press the mixture firmly into a 9-inch pie plate, covering both the bottom and sides evenly.
Step 3: Bake the Crust
Bake at 350°F (180°C) for 10 minutes. Remove from oven and let cool for about 10 minutes.
Step 4: Make the Filling
- In another large mixing bowl, whisk together key lime juice, sweetened condensed milk, and egg yolks until fully combined.
Step 5: Combine Filling with Crust
Pour the filling into the cooled graham cracker crust and spread evenly.
Step 6: Bake the Pie
Bake for 18 to 22 minutes or until the top is set but still jiggly in the center.
Step 7: Cool Down
Remove from oven and let cool on a wire rack for about 2 hours. After cooling, refrigerate for at least 6 hours or overnight.
Step 8: Serve
Once chilled, top with whipped cream before slicing into pieces and serving. Enjoy your delicious classic key lime pie!
How to Serve Classic Key Lime Pie
Classic Key Lime Pie is a delightful dessert that can be served in various ways to enhance its flavor and presentation. Whether you’re hosting a gathering or enjoying a quiet evening at home, here are some serving suggestions to elevate your experience.
Top with Fresh Fruits
- Berries: Add fresh strawberries, blueberries, or raspberries for a burst of color and sweetness.
- Sliced Limes: Garnish with thin slices of lime for an extra zesty kick.
Pair with Ice Cream
- Vanilla Ice Cream: The creaminess of vanilla ice cream complements the tartness of the pie beautifully.
- Coconut Sorbet: For a tropical twist, serve with coconut sorbet alongside the pie.
Drizzle with Sauce
- Chocolate Sauce: A chocolate drizzle can add richness and contrast to the pie’s flavors.
- Caramel Sauce: A light drizzle of caramel can enhance the sweetness and create an indulgent treat.
How to Perfect Classic Key Lime Pie
Perfecting your Classic Key Lime Pie involves attention to detail and some helpful tips. Follow these guidelines to ensure your pie turns out delicious every time.
- Use Fresh Key Limes: Fresh key lime juice gives the best flavor compared to bottled juice. Look for vibrant limes for optimal taste.
- Don’t Overbake: Keep an eye on the baking time. The filling should be set but still slightly jiggly when removed from the oven.
- Chill Thoroughly: Allow enough chilling time in the refrigerator. This helps the flavors meld and ensures a firm slice.
- Whip Cream Just Right: If making homemade whipped cream, avoid overwhipping; it should be fluffy but not grainy for perfect topping.

Best Side Dishes for Classic Key Lime Pie
When serving Classic Key Lime Pie, consider pairing it with side dishes that complement its flavors. Here are some great options to consider:
- Fresh Fruit Salad: A mix of seasonal fruits adds freshness and contrasts nicely with the tartness of the pie.
- Cheese Platter: Include soft cheeses like brie or goat cheese, which balance the sweetness of the pie.
- Mixed Green Salad: A light salad with vinaigrette dressing provides a refreshing palate cleanser.
- Coconut Rice: The subtle sweetness of coconut rice pairs well and enhances tropical flavors.
- Pineapple Salsa: A tangy pineapple salsa adds a bright flavor that enhances each bite of pie.
- Grilled Shrimp Skewers: These savory skewers provide a delicious contrast to the dessert’s sweetness.
Common Mistakes to Avoid
Making a Classic Key Lime Pie can be simple, but a few common mistakes can impact your results. Here are some pitfalls to avoid.
- Using regular limes: Regular limes can alter the flavor of your pie. Always use fresh key lime juice for that authentic taste.
- Not cooling the crust properly: Skipping the cooling step may cause the filling to melt into the crust. Allow it to cool for at least 10 minutes before adding the filling.
- Overbaking the pie: Baking it too long will make the texture rubbery. Keep an eye on it, and remove it while it’s still slightly jiggly in the center.
- Skipping homemade whipped cream: Store-bought toppings can lack freshness. Make your own whipped cream for a richer taste that complements the pie perfectly.
- Not chilling long enough: Serving too soon compromises flavor and texture. Chill the pie for at least 6 hours or overnight for best results.
Refrigerator Storage
- Store leftover pie in an airtight container.
- It can last up to 3 days in the refrigerator.
Freezing Classic Key Lime Pie
- Wrap individual slices tightly in plastic wrap or aluminum foil.
- Store in an airtight container for up to 2 months.
Reheating Classic Key Lime Pie
- Oven: Preheat to 350°F (180°C) and heat slices for about 10 minutes, covered with foil.
- Microwave: Heat individual slices on medium power for about 20-30 seconds until just warm.
- Stovetop: Place slices in a skillet over low heat, covering to retain moisture, and warm for about 5 minutes.

Frequently Asked Questions
What is a Classic Key Lime Pie?
A Classic Key Lime Pie is a dessert made from key lime juice, sweetened condensed milk, and egg yolks, all set in a graham cracker crust.
Can I use bottled key lime juice?
While fresh key lime juice is preferred, bottled versions can work in a pinch. Just make sure they are labeled as pure key lime juice.
How do I know when my pie is done baking?
The pie is done when it’s set but still has a slight jiggle in the center. Overbaking will change its texture.
Can I customize my Classic Key Lime Pie?
Absolutely! You can add different toppings like fresh fruit or flavored whipped cream to enhance its appeal.
Final Thoughts
This Classic Key Lime Pie is not only easy to prepare but also versatile enough to please any crowd. With its creamy filling and zesty flavor, it’s perfect for any occasion. Don’t hesitate to make it your own with various toppings or by adjusting sweetness levels!

Classic Key Lime Pie
Classic Key Lime Pie is a refreshing dessert that captures the essence of summer with its creamy, tangy filling and crunchy graham cracker crust. This easy-to-make pie is a crowd-pleaser, making it an ideal choice for everything from family gatherings to festive celebrations. The balance of sweetened condensed milk and zesty key lime juice creates a flavor that is both rich and invigorating. With a fluffy homemade whipped cream topping, this pie is as delightful to look at as it is to eat, ensuring it will be the star of your dessert table.
- Total Time: 50 minutes
- Yield: Serves eight slices 1x
Ingredients
- 1 ½ cups graham cracker crumbs
- ⅓ cup granulated sugar
- 6 tablespoons unsalted butter (melted)
- 1 cup key lime juice
- 2 cans sweetened condensed milk (14 ounces each)
- 5 large egg yolks
- Whipped cream for topping
Instructions
- Preheat oven to 350°F (180°C).
- In a mixing bowl, combine graham cracker crumbs and sugar. Add melted butter and mix until moistened. Press into a 9-inch pie plate.
- Bake crust for 10 minutes; let cool for about 10 minutes.
- In another bowl, whisk together key lime juice, sweetened condensed milk, and egg yolks until smooth.
- Pour the filling into the cooled crust and spread evenly.
- Bake for 18 to 22 minutes until set but jiggly in the center.
- Cool on a wire rack for about 2 hours then refrigerate for at least 6 hours or overnight.
- Top with whipped cream before serving.
- Prep Time: 20 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice (approximately 120g)
- Calories: 320
- Sugar: 24g
- Sodium: 150mg
- Fat: 18g
- Saturated Fat: 10g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 36g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 105mg
Keywords: For the best flavor, use fresh key limes instead of bottled juice. Be careful not to overbake; aim for a slight jiggle in the center when done. Customize toppings with fresh fruit or flavored whipped cream to enhance presentation.