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Home » Recipes

Easy No Bake Key Lime Pie

March 10, 2023 by Mindy

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This delicious no bake Key Lime Pie is the perfect summer treat! With only three simple ingredients, this recipe is incredibly easy to make and a crowd-pleaser. Creamy and tart key limes, Eagle Brand sweetened condensed milk and cool whipped cream all come together to create an ultra-creamy and indulgent pie without any baking necessary.

A slice of no bake Key Lime Pie made with Eagle Brand sweetened condensed milk.

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Below you will find tips, tricks and helpful hints for making this recipe including step by step instructions with pictures. If you would like to go directly to the recipe, scroll down to the recipe card or tap "Jump to Recipe" at the top of the page.

Recipe Contents show
Why You'll Love this Easy Key Lime Pie Recipe
Key Limes vs. Limes
Do I have to use key limes?
More No Bake Desserts
No Bake Key Lime Ingredients
Step-By-Step Instructions
Helpful Kitchen Tools
How to Store Leftovers
How to Freeze Key Lime Pie
Frequently Asked Questions
Final Thoughts
More Easy Pie Recipes
Key Lime Pie Video:
No-Bake Key Lime Pie

Why You'll Love this Easy Key Lime Pie Recipe

The zesty and sweet flavor of key lime pairs perfectly with a graham cracker crust making this pie a hit with friends and family alike. Plus, no baking required! To make a baked classic key lime pie, try substituting lime juice for lemon juice in my Lemon Icebox Pie recipe found here.

Enjoy the cool, citrusy treat that requires minimal effort - you'll want to make this one again and again!

Key Limes vs. Limes

Key limes are much smaller and more tart than regular limes. They also have thinner skin, making them easier to juice. You can usually find key limes at most grocery stores - but if they're not in stock, you can always substitute with regular limes or bottled lime juice.

Two bowls of key limes and a bottle of key lime juice.

Do I have to use key limes?

No, you do not have to use key limes for this recipe. However, the flavor of key limes is much more tart and zesty than regular limes. If you prefer a sweeter, less acidic taste then stick with regular lime juice or bottled lime juice.

More No Bake Desserts

  • Philadelphia No Bake Cheesecake
  • Homestyle Rice Krispie Treats
  • Chocolate Peanut Butter Chex Bars
  • Churro Cereal Bars
  • Cookie Butter No Bake Cheesecake
Graham crackers and melted butter to make a graham cracker crust.

No Bake Key Lime Ingredients

*Ingredient amounts are located in the recipe card at the end of this post.

  • Graham Crackers: These will be used to make the homemade graham cracker crust. A store-bought crust can be substituted. After trying many different brands of graham crackers, my go-to brand is Nabisco Honey-Maid Grahams. I usually get a great deal on them at Costco.
  • Melted Butter: Salted or unsalted butter will bind the graham cracker crumbs to make the crust.
  • Sweetened Condensed Milk: This is the base for the creamy key lime filling. Make sure it's sweetened condensed milk and not evaporated milk. For best results, use Eagle Brand.
  • Key Lime Juice: Freshly squeezed or bottled key lime juice will work. Bottled juice is much more convenient, but freshly squeezed will give a more vibrant flavor. Regular lime juice can also be used.
  • Heavy Whipping Cream: You'll need to whip the cream before folding into the filling. This will give the pie a light and airy texture.
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Lime juice, cream, and sweetened condensed milk to make no bake key lime pie.

Step-By-Step Instructions

[Step 1] Graham Cracker Crust: Use a food processor to crush the graham crackers into fine crumbs. Add the melted butter and process to mix or mix by hand. Press the graham cracker mixture into the bottom and sides of a 9-inch pie plate and refrigerate while you prepare the filling.

A homemade graham cracker crust in a white pie pan.

[Step 2] In a large bowl, combine the sweetened condensed and ½ cup lime juice.

Lime juice and sweetened condensed milk in a mixing bowl.

[Step 3] In a medium bowl, use an electric mixer or a stand mixer, to whip the cream until it is light and fluffy and begins to form stiff peaks.

A bowl of whipped cream and an electric hand mixer.

[Step 4] Gently fold the whipped cream into the lime juice mixture.

No bake key lime pie filling in a bowl.

[Step 5] Pour the pie filling into the prepared graham cracker pie crust and smooth the top with an angled spatula.

A no bake key lime pie in a white pie pan.

[Step 6] Refrigerate the pie for at least four hours to overnight before serving.

A no bake key lime pie in a white pie plate with a bowl of key limes.

Helpful Kitchen Tools

  • Food Processor
  • Mixing Bowls
  • Hand Mixer or Stand Mixer
  • Silicone Spatula
  • 9 Inch Pie Pan
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How to Store Leftovers

Leftovers should be stored in an airtight container or covered tightly with plastic wrap and kept in the refrigerator. The pie will keep fresh for up to 3 days.

How to Freeze Key Lime Pie

If you want to freeze the pie, wrap it in several layers of plastic wrap before freezing for up to 2 months. Defrost the frozen pie overnight in the refrigerator before serving.

A slice of no bake Key Lime Pie made with Eagle Brand sweetened condensed milk.

Frequently Asked Questions

  • How many limes do I need? For this recipe, you will need ½ cup of lime juice. Depending on the size of the limes, this usually requires 4-6 limes.
  • Can I use bottled lime juice? Yes, you can substitute with bottled lime juice if desired. Make sure it is 100% pure lime juice and not a cocktail mix.
  • Can I make the pie ahead of time? Yes, you can prepare the graham cracker crust and fill up to 1 day in advance. Keep it covered with plastic wrap and stored in the refrigerator until ready to assemble and serve.
  • Why is there no cream cheese in this recipe? Key lime pies traditionally do not contain cream cheese. This recipe uses sweetened condensed milk as the base for the filling, which creates a light and fluffy texture.
  • Where does Key Lime pie originate? Key lime pie originated in Key West, Florida. It's a classic dessert that is now enjoyed all over the world.
  • Why is my key lime pie not setting? It may not be setting if the ingredients are not mixed properly or the pie has not been chilled long enough. It helps to chill the pie for at least 3 hours before serving. Make sure to use standard sweetened condensed milk, or the pie may come out soupy.
  • Can I use a store-bought graham cracker crust? Yes, you can use a store-bought graham cracker crust instead of making your own.
  • Can I bake this key lime pie? No, this recipe is not suitable for baking as it will cause the filling to curdle and become runny.
A slice of no bake Key Lime Pie made with Eagle Brand sweetened condensed milk.

Final Thoughts

Enjoy this no-bake Key Lime Pie recipe as a cool, summertime dessert or anytime you need a quick and easy sweet treat! With its ultra creamy filling, delicious graham cracker crust, and zesty lime flavor, this classic dessert is sure to be a hit. Enjoy!

As an optional topping, add freshly whipped cream, a sprinkle of lime zest, or lime slices on top of the pie before serving for added flavor and texture!

More Easy Pie Recipes

  • Lemon Icebox Pie
  • Costco Pumpkin Pie
  • Cracker Barrel Chocolate Pecan Pie
  • Caramel Pecan Silk Pie
  • Dutch Apple Pie

Key Lime Pie Video:

YouTube thumbnail image for No Bake Key Lime Pie.

Did you try this recipe? Make sure to give it a five star ⭐️⭐️⭐️⭐️⭐️ rating below!

A slice of no bake Key Lime Pie made with Eagle Brand sweetened condensed milk.

No-Bake Key Lime Pie

This delicious no-bake Key Lime Pie is the perfect summer treat! With only three simple ingredients, this recipe is incredibly easy to make and a crowd-pleaser. Creamy and tart key limes, Eagle Brand sweetened condensed milk and cool whipped cream all come together to create an ultra-creamy and indulgent pie without any baking necessary.
Print Pin
Course: Desserts
Keyword: authentic key lime pie recipes, bake key lime pie, classic key lime pie, eagle brand, easy key lime pie recipe, easy pie, Florida keys, graham cracker crumbs, graham cracker pie crust, graham crackers, heavy cream, homemade graham cracker crust, key lime juice, key lime pie filling, key limes, lime zest, regular lime juice, regular limes, simple ingredients, store-bought crust, sweetened condensed milk, traditional key lime pie recipe
Prep Time: 20 minutes minutes
Additional Time: 4 hours hours
Total Time: 4 hours hours 20 minutes minutes
Servings: 8 Slices
Calories: 468kcal
Author: Mindy

Ingredients

Graham Cracker Crust Ingredients

  • 9 Graham Cracker Sheets
  • 6 Tablespoons Butter melted

Key Lime Pie Filling

  • 14 Ounces Sweetened Condensed Milk
  • ½ Cup Key Lime Juice
  • 1 Cup Heavy Cream Whipped

Instructions

  • Graham Cracker Crust: Use a food processor to crush the graham crackers into fine crumbs. Add the melted butter and process to mix or mix by hand. Press the graham cracker mixture into the bottom and sides of a 9-inch pie plate and refrigerate while you prepare the filling.
  • In a large bowl, combine the sweetened condensed and ½ cup lime juice.
  • In a medium bowl, use an electric mixer or a stand mixer, to whip the cream until it is light and fluffy and begins to form stiff peaks.
  • Gently fold the whipped cream into the lime juice mixture.
  • Pour the pie filling into the prepared graham cracker pie crust and smooth the top with an angled spatula.
  • Refrigerate the pie for at least four hours to overnight before serving.

Nutrition

Serving: 1Slice | Calories: 468kcal | Carbohydrates: 52g | Protein: 7g | Fat: 27g | Saturated Fat: 16g | Polyunsaturated Fat: 9g | Trans Fat: 1g | Cholesterol: 79mg | Sodium: 239mg | Fiber: 1g | Sugar: 42g

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Mindy from Mommy Mouse Clubhouse.

Welcome!

My name is Mindy and  I am so excited to welcome you to my blog! I am the wife of a hunky firefighter and the mommy of three super smart, energetic boys..

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A slice of no bake Key Lime Pie made with Eagle Brand sweetened condensed milk.