This Key Lime Pie With Raspberry Sauce is a study in contrasts: the sharp, bright lime curd against the sweet-tart raspberry sauce, the crumbly graham crust against the silky filling. It's a dessert that asks for nothing but a cold slice and a quiet moment.
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I've kept the technique simple and the ingredients honest. The filling is a classic custard, baked just until set, then chilled until firm. The raspberry sauce is a quick stovetop reduction that can be made ahead.
The result is a pie that tastes like sunshine and sea breeze, with a homemade touch that store-bought versions can't match.
Why You'll Love This Recipe
About the Ingredients
1 1/2 cups (150g) graham cracker crumbs
Use store-bought crumbs or crush whole crackers. For a gluten-free option, use gluten-free graham crackers.
1/4 cup (50g) granulated sugar
For the crust. You can reduce to 2 tablespoons if you prefer a less sweet crust.
6 tablespoons (85g) unsalted butter, melted
Use salted butter and skip the added salt if you like. Vegan butter works too.
3 large egg yolks
Room temperature for easier mixing. Save the whites for an omelet or meringue.
1 can (14 oz) sweetened condensed milk
Full-fat is best for creaminess. Vegan condensed milk is a good substitute.
1/2 cup (120ml) fresh key lime juice (about 12-15 key limes)
Bottled key lime juice is fine, but fresh gives the best flavor. Regular limes work too.
1 tablespoon lime zest
Adds extra aroma. Use a microplane for fine zest.
2 cups (280g) fresh or frozen raspberries
If using frozen, no need to thaw. You can also use strawberries or blackberries.
1/4 cup (50g) granulated sugar
For the raspberry sauce. Adjust to taste.
1 tablespoon lemon juice
Helps brighten the raspberry sauce. Lime juice works too.
1/2 cup (120ml) heavy cream
For whipped cream topping. Use coconut cream for dairy-free.
1 tablespoon powdered sugar
For sweetening the whipped cream. Optional.
Tips & Tricks
Blind bake the crust
Bake the crust for 10 minutes at 350°F (175°C) before adding the filling to keep it crisp.
Don't overbake
The filling should be set around the edges but slightly jiggly in the center. Overbaking can cause cracks.
Chill thoroughly
Chill for at least 4 hours, preferably overnight, to allow the pie to set completely for clean slices.
Pro Tips
Step-by-Step Instructions
1. Preheat and prep
Preheat oven to 350°F (175°C). Lightly grease a 9-inch pie dish. In a bowl, mix graham crumbs, 1/4 cup sugar, and melted butter until well combined.
2. Press and bake crust
Press the crumb mixture firmly into the bottom and up the sides of the pie dish. Bake for 10 minutes until lightly golden. Let cool on a rack while making the filling.
3. Whisk filling
In a large bowl, whisk egg yolks, sweetened condensed milk, key lime juice, and lime zest until smooth. The mixture will thicken slightly.
4. Bake the pie
Pour the filling into the cooled crust. Bake at 350°F (175°C) for 15 minutes until the edges are set but the center is slightly jiggly. The filling should not be browned.
5. Cool and chill
Let the pie cool to room temperature, then refrigerate for at least 4 hours or overnight until fully set.
6. Make raspberry sauce
In a small saucepan, combine raspberries, 1/4 cup sugar, and lemon juice. Cook over medium heat, stirring occasionally, until the berries break down and the sauce thickens, about 5-7 minutes. Strain to remove seeds if desired. Cool.
7. Whip cream
In a chilled bowl, whip heavy cream and powdered sugar to soft peaks. Keep refrigerated until serving.
8. Serve
Slice the pie, drizzle with raspberry sauce, and top with a dollop of whipped cream. Enjoy!
Delicious Variations
Ginger crust
Replace half of the graham crumbs with crushed ginger snaps for a spicy kick.
Meringue topping
Skip the whipped cream and top with meringue, then torch for a toasted effect.
Lime curd layer
Spread a thin layer of lime curd on the crust before adding the filling for extra tang.
How to Store Key Lime Pie With Raspberry Sauce
Refrigerator
Store covered in the fridge for up to 3 days. The raspberry sauce can be stored separately for up to 5 days.
Freezer
Freeze the pie (without sauce and cream) for up to 2 months. Thaw overnight in the fridge before serving.
Reheating
Serve chilled. No reheating needed.
Frequently Asked Questions
Q: Can I use regular limes instead of key limes?
Yes, regular limes work as a substitute. Use the same amount of juice, but note that key limes have a more aromatic, tart flavor.
Q: Why is my key lime pie runny?
The pie may be underbaked or not chilled long enough. Ensure the center is slightly jiggly but not liquid, and chill for at least 4 hours.
Q: Can I make this pie without eggs?
Yes, you can use an egg substitute like silken tofu or cornstarch, but the texture will be denser. For a no-bake version, use cream cheese and whipped cream instead.
Q: How do I get clean slices?
Chill the pie thoroughly, then dip a sharp knife in hot water, wipe dry, and slice. Clean the knife between cuts.
Q: Can I freeze the raspberry sauce?
Yes, the sauce freezes well for up to 3 months. Thaw in the fridge and stir before using.
I hope you enjoy this key lime pie as much as I do. If you make it, let me know how it turns out in the comments below. Happy baking!
Key Lime Pie With Raspberry Sauce
This Key Lime Pie With Raspberry Sauce is a creamy, tangy dessert with a sweet berry topping, perfect for summer gatherings.
🧂 Ingredients
- 1 1/2 cups (150g) graham cracker crumbs
- 1/4 cup (50g) granulated sugar
- 6 tablespoons (85g) unsalted butter, melted
- 3 large egg yolks
- 1 can (14 oz) sweetened condensed milk
- 1/2 cup (120ml) fresh key lime juice (about 12-15 key limes)
- 1 tablespoon lime zest
- 2 cups (280g) fresh or frozen raspberries
- 1/4 cup (50g) granulated sugar
- 1 tablespoon lemon juice
- 1/2 cup (120ml) heavy cream
- 1 tablespoon powdered sugar
📋 Instructions
- 1Preheat and prep — Preheat oven to 350°F (175°C). Lightly grease a 9-inch pie dish. In a bowl, mix graham crumbs, 1/4 cup sugar, and melted butter until well combined.
- 2Press and bake crust — Press the crumb mixture firmly into the bottom and up the sides of the pie dish. Bake for 10 minutes until lightly golden. Let cool on a rack while making the filling.
- 3Whisk filling — In a large bowl, whisk egg yolks, sweetened condensed milk, key lime juice, and lime zest until smooth. The mixture will thicken slightly.
- 4Bake the pie — Pour the filling into the cooled crust. Bake at 350°F (175°C) for 15 minutes until the edges are set but the center is slightly jiggly. The filling should not be browned.
- 5Cool and chill — Let the pie cool to room temperature, then refrigerate for at least 4 hours or overnight until fully set.
- 6Make raspberry sauce — In a small saucepan, combine raspberries, 1/4 cup sugar, and lemon juice. Cook over medium heat, stirring occasionally, until the berries break down and the sauce thickens, about 5-7 minutes. Strain to remove seeds if desired. Cool.
- 7Whip cream — In a chilled bowl, whip heavy cream and powdered sugar to soft peaks. Keep refrigerated until serving.
- 8Serve — Slice the pie, drizzle with raspberry sauce, and top with a dollop of whipped cream. Enjoy!



