Deliciously Refreshing Key Lime Pie Recipe to Savor

I still remember the day I first made Key Lime Pie at home. A close friend brought this bright, tangy pie for a backyard BBQ, and it instantly became the star of the table. The balance of tart key lime, creamy sweetness, and that crunchy graham cracker crust was something you just can’t forget. Since then, this Key Lime Pie has landed in my regular dessert lineup, especially when summer hits or there’s a crowd to feed. It’s the kind of dish that feels light and celebratory but is easy enough to whip up without stressing over complicated prep or unusual ingredients.

Why does Key Lime Pie feel so special? Maybe it’s the zesty lime juice that wakes up your palate or the smooth richness from sweetened condensed milk that makes every bite dreamy. It’s a pie that manages to impress guests without requiring a lot of fuss, which is a win in any home cook’s book. Honestly, what’s better than a dessert that tastes like a slice of sunshine but comes together effortlessly?

If you’re looking for a reliable recipe that delivers real flavor and works for casual dinners or festive occasions, this Key Lime Pie is for you. Whether you’re new to making pie crusts or just want a dependable dessert, I’m here to share what’s worked best for me. Let’s dive into the ingredients that keep this pie simple, affordable, and delicious.

What You’ll Need:

Ingredients for making Key Lime Pie including graham cracker crumbs, sweetened condensed milk, limes, and eggs

1 ½ cups graham cracker crumbs (for the pie crust)
No stress if you don’t have graham crackers—you can use crushed digestive biscuits or even shortbread cookies as a substitute in your Key Lime Pie.

6 tablespoons unsalted butter, melted
Butter binds the crust and adds richness. I always give it a few extra seconds in the microwave to ensure it’s fully melted and easy to mix.

¾ cup sweetened condensed milk (about one small can)
The key to creamy sweetness here; brands are generally consistent, so grab this from your grocery’s baking aisle.

4 large egg yolks
Using yolks only keeps the filling luxuriously smooth. If you want a lighter texture, you could try adding a tablespoon of sour cream, which I’ve done with good results.

½ cup fresh key lime juice
Fresh is best here—it brightens the whole pie. If key limes aren’t available, regular limes work fine in a pinch.

1 teaspoon lime zest (optional, but highly recommended)
You’ll find zest in the baking section or just use your own fresh limes.

Pinch of salt
Just enough to balance the sweetness and highlight the lime flavors.

Shopping tip: Sweetened condensed milk can sit for a while once opened in the fridge, so pour leftovers into a clean jar and use it for coffee or quick desserts.

Budget-friendly note: This Key Lime Pie is affordable because its main ingredients—lime juice, sweetened condensed milk, graham cracker crust—are pantry staples in many homes or inexpensive at the store.

Time-saving prep: You can crush graham crackers right in a sealed plastic bag using a rolling pin instead of buying pre-crumbled to keep things fresh.

My secret is adding a touch of zest to the filling—it pushes the lime flavor a notch higher without extra effort. If you like your Key Lime Pie extra tangy, feel free to add a squeeze more fresh lime juice after baking.

Let’s Cook It Together!

1. Preheat your oven to 350°F (175°C). Start by setting the oven so it’s ready when your pie crust comes together.

2. Make the graham cracker crust. In a medium bowl, stir the graham cracker crumbs with melted butter until the mixture looks evenly moist. Press it firmly and evenly into a 9-inch pie pan, covering the bottom and sides. I like to use the back of a measuring cup to get a smooth, compact crust.

3. Bake the crust for 8 minutes. This helps it firm up and hold the filling without getting soggy. While the crust bakes, get your filling ingredients ready.

4. Prepare the filling. In a mixing bowl, whisk together egg yolks, sweetened condensed milk, fresh lime juice, lime zest, and a pinch of salt. Whisk until smooth and slightly thickened. The lime juice will start working its magic here by “cooking” the yolks gently.

5. Pour the filling into the warm crust. Spread it evenly and pop the pie back into the oven.

6. Bake for 12-15 minutes. You’re looking for the filling to be just set around the edges but still wiggle slightly in the center. It will firm up more as it cools, so don’t overbake.

7. Cool completely on a wire rack, then chill in the fridge for at least 3 hours. I usually make my Key Lime Pie the day before to let it set overnight. This step is key to getting that perfect slice.

8. Serve topped with whipped cream and lime slices if you like. Fresh whipped cream always complements the tang in this pie beautifully.

Timing tip: From start to finish, this Key Lime Pie takes about 45 minutes with baking and cooling steps, plus the time to chill. Use the cooling time to tidy your kitchen or prepare something savory like Simanim Stuffed Butternut Squash for a full meal.

If your filling cracks or the crust looks uneven, don’t worry. Sometimes the lime juice reacts a bit aggressively during baking. A simple fix is to cover your pie loosely with foil next time, or pull it out when the edges set but the center is still jiggly.

This Key Lime Pie recipe has become my go-to because it’s forgiving and consistently good. The crust stays crunchy, the filling stays creamy, and that lime flavor sings every time. For a twist, I’ve also tried a quick shortcut using a no-bake crust, but baking the graham cracker crust really brings this pie to life.

How to Serve & Enjoy It!

This Key Lime Pie truly shines when served chilled on its own or with a dollop of lightly sweetened whipped cream. The cool creaminess balances the tart lime, making every bite melt in your mouth.

Pair it with fresh berries or a simple fruit salad when you want to add color and freshness to your dessert plate. I sometimes serve it after casual Sunday dinners. It feels light enough to finish the meal without heaviness, especially when paired with grilled or roasted fish dishes.

This pie is an all-star at summer barbecues, Mother’s Day brunches, or any time you want a crowd-pleaser dessert that’s easy to slice and share. It’s always a hit at family gatherings because it’s familiar but with enough zing to feel special.

For a fun presentation, sprinkle extra lime zest on top or add a few thin lime wheels as decoration. You can even rim individual dessert glasses with crushed graham cracker crumbs if you like serving it in smaller portions.

Leftover Key Lime Pie? Great news—it stores beautifully in the fridge for up to 4 days. Try turning leftover slices into parfaits with layers of whipped cream and fresh berries for a quick treat.

For a seasonal twist, try adding a bit of coconut or pineapple for a tropical vibe—my friends always ask me for this variation! If you enjoy other reliable, fresh ideas for your table, you might like checking out this Fresh Key Lime Pie With Graham Cracker Crust or the Key Lime Pie with Homemade Graham Cracker Crust – Cottonwood Limited.

Your Questions Answered

Can I make this Key Lime Pie ahead of time?
Absolutely! In fact, making it a day ahead lets the flavors set and makes slicing cleaner. Keep it covered tightly in the fridge.

What’s the best substitute for graham cracker crust?
Any crunchy cookie crumbs work—digestive biscuits or even crushed pretzels for a salty twist. Check out some ideas like the Key Lime Pie with Graham Cracker Crust – Britney Breaks Bread for inspiration.

Can I use bottled lime juice?
You can, but fresh is best for bright flavor. If that’s your only option, add extra zest to boost freshness.

How do I adjust this Key Lime Pie for more or fewer servings?
This recipe fits a 9-inch pie pan. For smaller servings, bake in mini tart pans using the same proportions. For larger batches, double ingredients and bake in a larger pan.

Can I make the pie crust ahead?
Yes, you can bake the graham cracker crust a day earlier. Just keep it wrapped to prevent it from getting soft.

Will this Key Lime Pie keep well if frozen?
Freezing can change the texture, but if pressed, wrap it tightly. Thaw in the fridge and serve chilled.

How creamy is this Key Lime Pie?
Very creamy but firm enough to slice neatly. The sweetened condensed milk and egg yolks create that texture without needing baking tricks.

If you’re looking to explore more crowd-pleasing foods to serve alongside your Key Lime Pie, try my easy-to-make Cranberry Jalapeno Dip or the tasty Easy Yaki Onigiri – Grilled Rice Balls.

Final Thoughts

Perfectly sliced Key Lime Pie with whipped cream and lime garnish

Key Lime Pie holds a special place in my recipe collection because of its balance of simple ingredients and incredible flavor. It’s a crowd-pleaser that keeps giving—whether you’re bringing it to a potluck or treating your family at home. Here are my best Key Lime Pie tips:

  • Use fresh lime juice and add a bit of zest for the brightest flavor.
  • Don’t skip the pie crust baking step to keep your crust crisp and sturdy.
  • Chill your pie for several hours before serving to let it set perfectly.

I’ve tested variations like a coconut-infused crust, a no-bake version for lazy days, and even a more tart edition using extra lime juice. The classic graham cracker crust recipe gets requested most often, probably because it strikes that perfect balance of crunch and flavor.

This is a dessert you can make your own by adjusting tartness, sweetness, or how much zest you throw in. I hope you’ll enjoy the ease, flavor, and smiles this Key Lime Pie brings to your table. Trust me—you can make this pie confidently, and it’ll be one of those recipes that folks ask for again and again.

Happy baking!

Print

Key Lime Pie

A tart and creamy classic Key Lime Pie featuring a graham cracker crust and a smooth lime filling, perfect for a refreshing dessert.

  • Author: Duma Ashton
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 3 hours 40 minutes
  • Yield: 8 servings
  • Category: Dessert
  • Method: Baked
  • Cuisine: American

Ingredients

Scale
  • 1 1/2 cups graham cracker crumbs
  • 6 tablespoons unsalted butter, melted
  • 1/3 cup granulated sugar
  • 3 large egg yolks
  • 1 can (14 oz) sweetened condensed milk
  • 1/2 cup fresh key lime juice (or regular lime juice)
  • 1 teaspoon grated lime zest
  • Whipped cream, for serving (optional)

Instructions

  1. Preheat oven to 350°F (175°C).
  2. In a bowl, combine graham cracker crumbs, melted butter, and sugar until evenly mixed.
  3. Press the crumb mixture firmly into the bottom and up the sides of a 9-inch pie dish.
  4. Bake the crust for 8-10 minutes until lightly golden. Remove from oven and set aside.
  5. In a separate bowl, whisk the egg yolks until they lighten in color.
  6. Slowly add the sweetened condensed milk, mixing well.
  7. Stir in the fresh lime juice and lime zest until smooth.
  8. Pour the filling into the baked crust and smooth the top.
  9. Bake the pie for 12-15 minutes until the filling is set but still slightly jiggly in the center.
  10. Allow the pie to cool to room temperature, then refrigerate for at least 3 hours before serving.
  11. Serve chilled, topped with whipped cream if desired.

Notes

For the best flavor, use fresh key lime juice. Garnish with lime slices or zest for an extra pop of color.

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