Dessert · American
Key Lime Pie
This key lime pie hits that perfect sweet-tart balance with a buttery graham-style crust and a silky lime filling. It comes together fast, then does its magic in the fridge, so it is a great make-ahead dessert. Top it with soft whipped cream and a shower of lime zest for a showstopper that tastes like sunshine.

Why you'll love this
- Just a handful of ingredients and almost no hands-on effort.
- That bright, tangy lime flavor against the buttery crust is irresistible.
- Make it a day ahead and it only gets better.
- Looks fancy but could not be simpler.
EveryDayMeal recipe
Key Lime Pie
Ingredients
- about 10.5 oz graham crackers (or digestive-style cookies), crushed
- 10 tablespoons butter, melted
- 14 oz (1 can) sweetened condensed milk
- 3 egg yolks
- 4 limes (zest and juice)
- 1 1/4 cups heavy cream
- 1 tablespoon powdered sugar
- 1 extra lime, for serving
Equipment
- 9-inch loose-bottomed tart pan
- Food processor or zip-top bag and rolling pin
- Electric mixer
- Microplane or zester
Instructions
- Heat your oven to 325F so it is ready when the crust is pressed in place.
- Crush the graham crackers into fine crumbs in a food processor, or seal them in a sturdy zip-top bag and roll over them with a rolling pin until sandy.
- Stir the crumbs with the melted butter until evenly moistened, then press firmly into the bottom and up the sides of a 9-inch loose-bottomed tart pan so the crust holds together when sliced.
- Bake the crust for 10 minutes until lightly set and fragrant, then remove and let it cool completely.
- Whisk the egg yolks in a large bowl with electric beaters for about 1 minute until smooth and slightly pale.
- Pour in the condensed milk and beat for 3 minutes so the mixture thickens and lightens.
- Add the lime zest and juice and beat another 3 minutes; the filling will thicken noticeably as the acid reacts with the condensed milk.
- Pour the filling into the cooled crust and bake for 15 minutes, just until the center is set but still has a slight jiggle.
- Cool to room temperature, then chill at least 3 hours or overnight so the filling firms up and slices cleanly.
- When ready to serve, lift the pie from the pan onto a plate, then softly whip the cream with the powdered sugar until it holds gentle peaks.
- Dollop or pipe the cream over the top and finish with fresh lime zest.
Tips from the kitchen
- Roll a lime firmly on the counter before juicing to get the most juice out.
- Zest the limes before juicing; it is nearly impossible to zest a squeezed lime.
- Chill the pie overnight for the cleanest slices and the firmest filling.
Estimated nutrition per serving: 430 cal · 6g protein · 42g carbs · 27g fat
Make it your own
- Swap in a classic graham cracker crust or add a pinch of cinnamon to the crumbs.
- Use bottled key lime juice for an even more authentic tart punch.
- Top with toasted coconut along with the lime zest for a tropical twist.
Storing & make-ahead
Keep covered in the fridge for up to 3 days. Add the whipped cream just before serving for the best look. You can freeze the baked, cooled pie (without cream) for up to 1 month; thaw overnight in the fridge.
Good to know
- Can I use regular limes instead of key limes?
- Yes. Standard limes work great and are easier to find. The flavor is slightly less floral but still bright and delicious.
- Why is my filling still runny?
- It needs enough chill time to set, at least 3 hours. Also be sure you beat the condensed milk and juice fully so the acid can thicken it.
- Can I make this without eggs?
- The yolks help set the filling, but you can skip them and chill longer for a slightly softer, no-bake style pie.
- What can I use instead of a tart pan?
- A 9-inch pie dish or springform pan works fine; just serve slices directly from the dish.
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