Deliciously Tangy Key Lime Pie to Brighten Your Day

When I first tasted Key Lime Pie, it was at a small family gathering in Florida, right near the coast. My aunt had brought this glowing, tart and creamy pie that immediately stood out from the usual dessert spread. I remember her reaction when I took my first bite — her smile grew wide as she told me this was the true Florida dessert, a recipe that had been in our family for decades. The subtle zing of lime mixed with a smooth graham cracker crust was unlike any other pie I’d encountered. That moment hooked me, and since then, Key Lime Pie has become a staple in my kitchen, especially when I want a dessert that’s both refreshing and comforting.

This Key Lime Pie fits so well into everyday life — whether it’s a casual weekend dinner, a holiday meal, or an impromptu get-together with friends. Its lime custard pie filling is bright but not overpowering, a perfect balance that makes it feel special without being fussy. You can whip one up with pantry staples, and the result is always a crowd-pleaser that feels like a sunny day in every bite.

If you’re a home cook searching for a dependable recipe that’s straightforward yet full of flavor, you’re in for a treat. I’ve gathered all my favorite tips and tricks so you can enjoy making and sharing this citrus pie dessert with the people you love. Let’s get into the heart of what makes this Key Lime Pie such a gem — it’s simple, satisfying, and always worth the effort.

What You’ll Need:

Here’s the ingredient list for the Key Lime Pie my family keeps asking for. These are staples you’ll likely find in your kitchen or at your local grocery store.

  • 1 1/2 cups graham cracker crumbs (about 10 full crackers)
  • 6 tablespoons unsalted butter, melted
  • 1/3 cup granulated sugar
  • 3 large egg yolks
  • 1 (14-ounce) can sweetened condensed milk
  • 1/2 cup fresh key lime juice (or bottled if fresh isn’t available)
  • 1 teaspoon lime zest (optional, for an extra lemony kick)
  • Pinch of salt
Ingredients for Key Lime Pie including graham crackers, lime juice, eggs, sugar and butter

No problem if you don’t have key limes on hand. Regular lime juice works well too, and it’s what I turn to when fresh key limes are out of season. You’ll find the graham crackers in the cookie aisle and the lime juice fresh or bottled near produce or juices.

This Key Lime Pie stays budget-friendly because the ingredients are simple — no need for fancy dairy or rare flavorings. If you want to save time, you can buy pre-crumbled graham crackers, but crushing them yourself gives a little rustic charm. If you have more graham cracker crumbs leftover, store them in an airtight container for up to a week and use them for topping yogurt or ice cream.

A little kitchen pointer: adding a teaspoon of lime zest lifts the flavor without changing the classic tang. It’s a small step that makes a big difference in the taste profile of this lime custard pie.

Let’s Cook It Together!

Ready to make your own Key Lime Pie? Let’s walk through this step by step. From start to finish, it usually takes me about an hour, including baking and cooling, but the results are so worth it.

  1. Preheat your oven to 350°F (175°C). This warms the kitchen and gets the crust ready for baking.
  2. Combine the graham cracker crumbs, melted butter, and sugar in a bowl. Use a fork or your hands to mix until the crumbs are evenly coated and clump together when pressed.
  3. Press the mixture into a 9-inch pie pan firmly along the bottom and up the sides. A flat-bottomed glass or measuring cup works great for compacting the crust evenly.
  4. Bake the crust for about 8 minutes, then set it aside to cool slightly. This step ensures the crust will stay crisp under the creamy filling.
  5. In a large bowl, whisk the egg yolks lightly. Then add the sweetened condensed milk and whisk until smooth.
  6. Stir in the fresh lime juice, lime zest, and a pinch of salt. Mix well; the filling will thicken slightly as the acid interacts with the eggs and milk.
  7. Pour the filling into the warm crust, making sure it spreads evenly.
  8. Return the pie to the oven and bake for 10 to 12 minutes, until tiny bubbles form on the surface but it hasn’t browned. You’re looking for a set but still slightly jiggly filling.
  9. Remove the Key Lime Pie from the oven and let it cool to room temperature. Then transfer to the fridge for at least 3 hours, or overnight if possible. This chilling step is crucial — it helps the key lime custard pie firm up and develop its signature texture.

If you notice cracks or a bit of bubbling on top, don’t stress. This Key Lime Pie still tastes fantastic and a little rustic look makes homemade pies extra charming.

While you wait for the pie to bake or chill, it’s a great time to prepare your serving plates or make a quick drink to enjoy alongside. I usually pour myself a tall glass of iced tea to pair with the citrus pie dessert.

Finished Key Lime Pie fresh from the oven cooling on the counter

How to Serve & Enjoy It!

My favorite way to serve Key Lime Pie is chilled, sliced into generous wedges. A dollop of whipped cream adds a smooth contrast to the tart and creamy pie filling each time.

Sometimes, I scatter a few thin lime slices on top or a sprinkle of additional lime zest for a fresh, pretty finish. This citrus pie dessert is perfect for summer dinners, holiday get-togethers, or when you just want a bright dessert that won’t weigh everyone down.

Pair it with simple sides like fresh berries or a light fruit salad. I’ve found that the fresh fruit complements the pie’s zesty flavor without stealing the show.

Key Lime Pie is a guaranteed hit whether you serve it at a backyard BBQ or a casual weeknight dinner. Friends often tell me this dessert reminds them of warmer days and relaxation, which adds to the fun of sharing it.

Have leftovers? No worries. The pie keeps well covered in the fridge for up to three days. I sometimes spoon leftover filling over vanilla ice cream or use graham cracker crumbs as a crunchy topping.

During holidays, swapping in a little orange zest or adding a macadamia nut crust twists this nostalgic pie into something fresh and seasonal. If your family loves this, they’ll also enjoy the Cranberry Jalapeno Cream Cheese Dip for a tangy appetizer or Mediterranean chicken and orzo for a balanced meal.

Your Questions Answered

Here are some of the most common questions I get about Key Lime Pie — and my honest answers from the home kitchen.

Can I make this Key Lime Pie ahead of time?
Absolutely. I usually make mine the day before serving. The custard sets beautifully after chilling overnight, and it actually tastes better when the flavors meld for longer.

What’s the best substitute for fresh key lime juice?
Regular lime juice works nicely, and the pie still shines. Store-bought bottled lime juice is fine too, just make sure it’s pure juice and not a lime-flavored drink.

How do I adjust this Key Lime Pie for more or fewer servings?
The recipe scales well. For smaller pies, halve the ingredients and bake in a 6-inch pan. For larger gatherings, double the recipe and use a 10-inch deep-dish pie pan, though you may need a few extra minutes baking.

Can I freeze Key Lime Pie?
I don’t recommend freezing because the custard can separate or get watery when thawed. Better to keep it fresh in the fridge.

What if my graham cracker crust gets soggy?
Make sure to press the crumbs firmly and bake the crust before adding the filling. Some cooks like to brush it lightly with beaten egg before baking for extra moisture protection.

Is it safe to eat the filling raw since it has egg yolks?
The baking step cooks the egg yolks gently, making this Key Lime Pie safe and custardy. Just don’t skip baking!

Can I use a store-bought crust?
You can, but I recommend making your own graham cracker crust for the best texture. If you want a shortcut, premade crusts do work in a pinch.

For more real-life cooking ideas like this Key Lime Pie, check out this Salmon Piccata recipe — another family hit that’s easy enough for weeknights.

Final Thoughts

Key Lime Pie has a special place in my recipe folder because it manages something many desserts don’t — bringing together punchy flavor, creamy texture, and simple ingredients without fuss. It’s a family favorite and a go-to when I want a Florida dessert that feels like a little vacation in each slice.

My Best Key Lime Pie Tips:

  • Patience matters — let your pie chill fully to get that perfect custard set.
  • Fresh lime juice and a little zest add brightness that store-bought won’t match.
  • Press your graham cracker crust really firmly and don’t skip the pre-bake.

I’ve tested a few variations: adding cream cheese for a richer texture, swapping in coconut milk for a tropical flair, and making mini tarts for easy portion control. The most requested version remains the classic lime custard pie with graham cracker crust and whipped cream — it never fails to delight.

I encourage you to make this Key Lime Pie your own. Trust in the recipe, have fun with the process, and enjoy the way it brings smiles at your table. It’s one of those recipes you’ll find yourself coming back to every time the mood for a tart and creamy pie hits.

For another citrus-flavored treat, take a peek at the Key Lime Tart with homemade graham cracker crust conversation on the foodie group — real home cooks sharing honest feedback.

If you’re enjoying this citrus pie dessert, you might also like the discussion comparing Key Lime Pie vs Lemon Meringue Pie — both classic, but with their own distinct personalities.

Ready to try this recipe? I promise it’s a dependable, tasty surprise that fits right into your real-life cooking adventures. Enjoy every bite!

Print

Key Lime Pie

A tangy and creamy Key Lime Pie with a buttery graham cracker crust, perfect for a refreshing dessert that balances sweet and tart flavors.

  • Author: Avarae Jensen
  • Prep Time: 15 minutes
  • Cook Time: 18 minutes
  • Total Time: 3 hours 33 minutes
  • Yield: 8 servings
  • Category: Dessert
  • Method: Baked
  • Cuisine: American

Ingredients

Scale
  • 1 1/2 cups graham cracker crumbs
  • 6 tablespoons melted butter
  • 1/3 cup granulated sugar
  • 3 large egg yolks
  • 1 (14 oz) can sweetened condensed milk
  • 1/2 cup fresh key lime juice
  • 1 tablespoon grated lime zest
  • 1 cup heavy whipping cream
  • 2 tablespoons powdered sugar

Instructions

  1. Preheat oven to 350°F (175°C).
  2. In a bowl, combine graham cracker crumbs, melted butter, and granulated sugar. Press mixture into a 9-inch pie pan to form the crust.
  3. Bake crust for 8 minutes, then remove and let cool.
  4. In a mixing bowl, whisk egg yolks until pale.
  5. Add sweetened condensed milk, fresh key lime juice, and lime zest; mix until smooth.
  6. Pour filling into the cooled crust.
  7. Bake pie for 10 minutes until filling is set but not browned.
  8. Cool pie to room temperature, then refrigerate for at least 3 hours.
  9. Whip heavy cream with powdered sugar until stiff peaks form and spread over pie before serving.

Notes

For an extra zing, garnish with thin lime slices or a sprinkle of extra lime zest before serving.

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