Best Key Lime Pie - House of Nash Eats (2024)

The best Key Lime Pie recipe is made from scratch with a buttery graham cracker crust, real key lime juice and zest, and a smooth and creamy filling that is the perfect balance of tart and sweet.

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Why You'll Love this Traditional Key Lime Pie Recipe

I couldn't get throughFlorida Week without sharing a recipe for the best key lime pie I've ever had!

What is Key Lime Pie?

Key lime pie is such a classic dessert and the first thing I thought of for Florida when brainstorming ideas for my American Eats series. Well, that, and all sort of Cuban food and anything with oranges or orange juice.

What does Key Lime Pie taste like?

Basically eating key lime pie is a taste of sophistication but also fun. It’s sweet and sour. It’s tangy, tart, and borderline bitter but also light and creamy and refreshing. It’s complicated but oh so delicious!

I didn't get around to sharing any recipes highlighting oranges this week, but you should definitely try these knotted orange sweet rolls that my sister-in-law Deborah shared with me a few years back. They are incredible and packed with fresh orange flavor.

Key lime pie is surprisingly easy and quick to make using either fresh key lime juice squeezed from about 20 key limes, or using bottled key lime juice which you can find at most grocery stores or order online.

Pie is my favorite dessert and I would choose it over cake any day. Be sure to check out more of our reader favorite pie recipes like French Silk Pie, Raspberry Peach Pie, and my Award-Winning Strawberry Cream Cheese Pie.

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Anauthentic key lime pie recipe uses only key lime juice, lime zest, sweetened condensed milk, and egg yolks for the filling. I've seen a number of key lime pie recipes that also include cream cheese or sour cream, but I wanted to stay true to the original version.

The lime zest not only boosts the lime flavor, but itadds little specks of green that make this pie extra pretty. I also sprinkle a little extra zest over the top of the pie just for looks. The fresh citrusy flavor of this Florida original is out of this world.

And it's perfect with the traditional graham cracker crust that is really easy (and honestly, so much tastier) made at home rather than buying a pre-made store-bought crust.

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I like to top this easy key lime pie recipe with sweetened whipped cream rather than a meringue. Not only does it taste delicious, but it makes for a pretty presentation as well, especially with thin key lime slices on top for decoration.

I love how simple and easy this pie is to make. There's no rolling out a crust or long ingredient list. It's practically foolproof.

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Best Key Lime Pie - House of Nash Eats (7)

This key lime pie would be perfect for Pi Day or Easter, which are both coming up. But you can enjoy it all year long!

Best Key Lime Pie Recipe ingredients

  • Graham cracker crust - homemade or store bought but my homemade graham cracker crust is so easy and tastes so much better than any store bought crust.
  • Sweetened condensed milk - Key lime pie always includes sweetened condensed milk. The acid in the key lime juice reacts with the proteins in the milk to thicken the mixture.
  • Fresh key lime juice - You can use regular limes but it just won’t be the same. If you can’t find key limes, you can try getting bottled key lime juice which should be found next to the lime juice.
  • Grated key lime zest
  • Large egg yolks - creates a custard like base for the pie. Helps the pie set.
  • Heavy cream - for the topping
  • Powdered sugar - to be mixed in with the heavy cream to make a whipped topping.

Can you substitute lime for key lime?

Yes and no. Honestly? The flavor of the key lime pie just isn't the same with Persian limes as opposed to key limes. But okay, yes, it's doable - good even.

Please, nobody excoriate me in the comments for making such a declaration. If key limes aren't available, I would first recommend looking for bottled key lime juice, which you will find next to the regular lime juice.

If that doesn't work, you could certainly make this recipe with just regular lime juice. But I would definitely recommend using fresh-squeezed lime juice as opposed to bottled if going this route.

It takes about 20-24 key limes to get the key lime juice you need for this key lime pie recipe.

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Best Key Lime Pie - House of Nash Eats (9)

How to make the Best Key Lime Pie

Start by making the graham cracker crust. Don't worry about making the crust climb too high by pressing it way up the sides of the pie pan.

This isn't a deep dish pie recipe and if you make the crust too tall around the edges, it will just crumble off and not look as pretty since the filling doesn't fill a regular 9-inch pie plate (affiliate link) to the top.

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I like to pre-bake the crust for 10 minutes to help it hold up when I pour the filling in.

Making the key lime pie filling is just a matter of whisking together the lime juice, lime zest, sweetened condensed milk, and egg yolks in a bowl. See? Foolproof. You don't even need an electric mixer!

Pour that into the crust and bake for 15-20 minutes in a 350 degree F oven. The center should still be jiggly when you shake it but the edges will be pretty set. The pie will continue to set up as it cools.

I pulled mine out right around the 15-16 minute mark. Let the pie cool for 1 hour on a wire rack, then transfer to the fridge and chill at least 3 hours.

Top with sweetened whipped cream and garnish with slices of lime and lime zest.

You could put your whipped cream into a piping bag fitted with a round tip or a star tip and pipe on pretty swirls. Some people like to completely cover the top of their key lime pie with whipped cream, which is another option you might want to try.

I just thought the whipped cream swirls looked pretty for the photos, otherwise I probably would have just dolloped it on.

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Storing this Recipe for Key Lime Pie

You can store the pie in the fridge covered with aluminum foil or plastic wrap or an airtight container. The pie should stay good for up to three days in the fridge. Any longer than that and it can turn into a soggy mess. To avoid spoiling, the pie should not be left at room temperature for more than two hours.

Can you freeze key lime pie?

Yes you can! Make sure the pie is cooled completely and then stick it in the freezer unwrapped until the pie is firm. Once firm you can tightly wrap plastic wrap over it or store in a sealed freezer bag. The pie should stay good for up to three months.. Just be sure to thaw it on the counter for 15-20 minutes before serving it.

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Homemade Key Lime Pie FAQs

What is the difference between a lime and a key lime?

Key limes are smaller and have a more intense flavor than the larger Persian limes that we are familiar with and see in the grocery store all the time. The key lime flavor is slightly more tart than regular limes.
Key limes also have a thinner skin than larger limes, which means they don't last as long in stores and you will probably only find them seasonally. They also tend to have more seeds in them.
Zesting those little key limes is not as easy as as the larger Persian limes, but I've heard you can use a garlic press to make it easier. I don't have one so I just used my regular juicer and made it work.

Should key lime pie be green or yellow?

The color of key lime pie is more yellow. The juice from key limes isn’t as green (also, because of the four egg yolks in the pie, which also contribute to the yellow hue).

Why is my Key lime pie crust soggy?

Pre-baking the graham cracker crust and then letting it cool completely before pouring in the filling will help alleviate a soggy crust. Over time the crust will get a little soggy after a couple days in the fridge. There is really no avoiding that. If you are making the pie beforehand, wait to pour the filling until the day of serving. You can easily make all the components in advance, just don’t assemble the pie until the day of.

Why does my Key lime pie weep?

Overbaking can cause the egg whites to shrink and squeeze out moisture. Also, make sure your sugar is completely dissolved in the egg whites.
When done baking, your key lime should still be a bit wobbly. It will continue to bake out of the oven and then finish setting in the fridge. Do not overbake!

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If You Like This Key Lime Pie Recipe, You Might Also Like:

  • No-Bake Sour Cream Lemon Pie
  • Double Lemon Glazed Cookies
  • Coconut Lime Glazed Banana Bread
  • Brazilian Lemonade (Limeade)
  • Passion Fruit Lemon Loaf Cake

Did you make this recipe?

Let me know what you thought with a comment and rating below. You can also take a picture and tag me on Instagram @houseofnasheats or share it on the Pinterest pin so I can see.

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PrintPinRate

Best Key Lime Pie Recipe

Amy Nash

Prep Time 10 minutes mins

Cook Time 15 minutes mins

Additional Time 3 hours hrs

Total Time 3 hours hrs 25 minutes mins

Course Dessert

Cuisine American

Servings 8 servings

The best Key Lime Pie recipe is made from scratch with a buttery graham cracker crust, real key lime juice and zest, and a smooth and creamy filling that is the perfect balance of tart and sweet.

Ingredients

Graham Cracker Crust

  • 1 graham cracker crust

Filling

  • 14 ounces sweetened condensed milk
  • cup fresh key lime juice from 20-24 key limes
  • 2 teaspoons grated key lime zest from 3-4 key limes + thin curled strip for garnish
  • 4 large egg yolks

Topping

  • 1 cup heavy cream
  • 2 Tablespoons powdered sugar

Instructions

  • Preheat oven to 350°F.Prepare graham cracker crust and bake for 10 minutes until set. Cool while preparing filling.

    1 graham cracker crust

  • Whisk together condensed milk, key lime juice, key lime zest, and egg yolks.Pour into pie crust.

    14 ounces sweetened condensed milk, ⅔ cup fresh key lime juice, 2 teaspoons grated key lime zest, 4 large egg yolks

  • Bake for 15-20 minutes, until the pie is mostly set around the edges but still slightly jiggly in the center.Cool on a wire rack for 1 hour, then transfer to the refrigerator and chill for 3 hours.

  • Prepare whipped cream by beating the cream and powdered sugar with an electric mixer on high speed for 2 to 3 minutes until soft peaks form. Spread on top of pie or transfer to a piping bag fitted with a round tip or star tip and pipe decorative swirls around the border of the pie.Garnish with thin slices of key limes and lime zest, then slice and serve.

    1 cup heavy cream, 2 Tablespoons powdered sugar

Nutrition

Calories: 409kcal | Carbohydrates: 46g | Protein: 7g | Fat: 23g | Saturated Fat: 11g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 9g | Cholesterol: 150mg | Sodium: 179mg | Potassium: 264mg | Fiber: 1g | Sugar: 33g | Vitamin A: 703IU | Vitamin C: 8mg | Calcium: 180mg | Iron: 1mg

Tried this recipe? Show me on Instagram!Mention @HouseOfNashEats or tag #houseofnasheats!

More States I Have Visited in my American Eats Series

AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNew JerseyNew YorkOregonPuerto RicoSouth CarolinaSouth DakotaTexasUtahWisconsin

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About the author

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Hi, I'm Amy

I enjoy exploring the world through food, culture, and travel and sharing the adventure with mostly from-scratch, family friendly recipes that I think of as modern comfort cooking.

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