1. What’s the difference between Key Lime Pie and regular lime pie?

The key difference lies in the limes. Key limes are smaller and more aromatic than regular Persian limes, giving the pie a unique floral tartness. Using real key lime juice creates a lighter, more complex flavor compared to the sharper acidity of regular lime juice.

2. Can I make Key Lime Pie ahead of time?

Yes! In fact, making it a day ahead is ideal. The pie needs several hours to chill and set properly. Once baked and cooled, refrigerate it (uncovered for the first hour, then covered) overnight. Add whipped cream just before serving for the freshest texture.

3. Why is my Key Lime Pie filling too soft?

If your filling is too soft, it may not have baked long enough or been chilled fully. The center should jiggle slightly when removed from the oven but firm up as it cools. Always chill for at least 4–6 hours, ideally overnight, to ensure a silky, stable texture.

Key Lime Pie – Best Homemade Recipe

Name: Key Lime Pie
Prep time: 15 min
Cook time: 20 min
Total time: 2 h 35 min
Cuisine: American
Ingredients: 1 ½ cups (180g) graham cracker crumbs; 2 tablespoons (25g) white sugar; 5 tablespoons (70g) unsalted butter, melted; 3 large egg yolks; 1 ⅓ cups (396g) sweetened condensed milk; ½ cup (120ml) key lime juice (from about 25 key limes); 1 tablespoon key lime zest (from about 3 key limes); 1 tablespoon full-fat sour cream; 1 pinch salt; Whipped cream and lime slices for garnish (optional)

Description

This homemade Key Lime Pie features a buttery graham cracker crust and a creamy, tangy filling made with real key lime juice. Perfectly balanced between sweet and tart, it’s a refreshing dessert ideal for summer gatherings or festive occasions.

Ingredients

Scale

1 ½ cups (180g) graham cracker crumbs
2 tablespoons (25g) white sugar
5 tablespoons (70g) unsalted butter, melted
3 large egg yolks
1 ⅓ cups (396g) sweetened condensed milk
½ cup (120ml) key lime juice (from about 25 key limes)
1 tablespoon key lime zest (from about 3 key limes)
1 tablespoon full-fat sour cream
1 pinch salt
Whipped cream and lime slices for garnish (optional)

Cook Mode Prevent your screen from going dark

Instructions

Preheat the oven to 350°F (175°C).
In a medium bowl, mix graham cracker crumbs, sugar, and melted butter until combined.
Press the mixture evenly into a 9-inch pie dish using a flat-bottomed cup.
Place the dish on a baking sheet and bake for 11 minutes. Remove and let cool slightly.
Reduce the oven temperature to 325°F (160°C).
In a medium bowl, whisk together egg yolks, sweetened condensed milk, key lime juice, zest, sour cream, and salt until smooth.
Pour the filling into the baked crust and smooth the top with a spatula.
Bake for 20 minutes or until the center jiggles slightly but the edges are firm.
Cool on a wire rack for 2 hours, then refrigerate overnight to set completely.
Before serving, top with whipped cream and garnish with lime slices if desired.

Notes

Use fresh key lime juice for the best flavor — bottled juice can be substituted if needed.
Chill the pie overnight for a firm, creamy texture.
Do not overbake — the pie should have a slight jiggle in the center when removed from the oven.
Wrap leftovers tightly and store in the fridge for up to 4 days or freeze for up to 3 months.

Prep Time: 15 minutes
Cook Time: 20 minutes
Category: Dessert
Method: Bake
Cuisine: American

Nutrition

Serving Size: 1 slice (1/8 pie)
Calories: 360
Sugar: 38g
Sodium: 150mg
Fat: 16g
Saturated Fat: 9g
Unsaturated Fat: 6g
Trans Fat: 0g
Carbohydrates: 46g
Fiber: 1g
Protein: 6g
Cholesterol: 120mg