Key Lime Pie

Table of Contents

1. Ingredients
2. Substitutions and Additions
3. How to Make Key Lime Pie
4. How To Serve Key Lime Pie
5. Why You'll Love This Key Lime Pie Recipe
6. Recipe FAQ
7. Serving FAQ
8. Storage FAQ
9. JUMP TO RECIPE

This easy key lime pie packs a bright citrus punch and comes together with just a few simple ingredients. The creamy filling sets up perfectly inside a buttery Graham cracker crust. It’s a quick dessert that tastes cool, rich, and totally homemade. Serve it chilled and watch it disappear fast.

Follow the easy guide below to make this no-fuss pie at home. We include step-by-step photos, pro tips, and helpful tricks. You'll also find the most frequently asked recipe questions—with answers ready to help.

This easy lime pie brings a bold, fresh citrus flavor with a creamy texture and a crunchy Graham cracker crust. It’s sweet, tart, and simple to make—perfect for holidays, parties, or a midweek treat.

The filling comes out smooth every time and packs a real punch of lime. Everyone loves this pie, and it disappears fast at any gathering.

What you'll need to make this key lime pie recipe:

• 1 (16-ounce) container of Cool Whip whipped topping
• 14 ounces of sweetened condensed milk (1 small can)
• ½ cup of lime juice
• 1 premade Graham cracker crust

Cream cheese: If you want an extra creamy texture, try mixing in 8 ounces of cream cheese or sour cream to the filling.

Graham crust: Use a store-bought crust to save time, or if you prefer, make your own from scratch.

Limes: Both key lime juice and regular lime juice work great. Use ½ cup of either one as a direct swap.

Follow along with our step-by-step photos, clear instructions, and helpful tips and tricks to make this homemade lime pie. You'll learn exactly how to get the perfect creamy filling and crust. Let’s get started!

FIRST STEP: Mix the Cool Whip and sweetened condensed milk in a medium bowl. Stir in the lime juice and mix well.

SECOND STEP: Pour the mixture into the graham cracker crust and spread evenly.

THIRD STEP: Refrigerate for four hours or overnight before serving.

You can serve this easy key lime pie in so many fun ways all year long. It works great for both kids and adults.

• Serve at summer parties: This pie tastes cool and refreshing, which makes it perfect for backyard barbecues or pool parties. Pair it with grilled teriyaki chicken or pulled pork sandwiches.
• Bring to holidays or potlucks: The bright lime flavor makes a nice change from heavy desserts at family dinners. Try serving it after cheesy pizza spaghetti casserole or hearty chicken cacciatore.
• Make it for birthdays or sleepovers: Kids love the sweet and tart combo, and it looks great with whipped topping and lime slices. Serve with funfetti cupcakes or rainbow popcorn for extra color and fun.

Key lime pie has been a reader favorite for good reason. It’s easy, bright, and feels like a mini celebration every time you make it. Whether it’s for a weekend treat or a big event, this pie always gets people talking.

• No Fancy Ingredients: You only need a few basic ingredients you can grab at any grocery store.
• Great Texture: The filling turns out smooth and creamy, with just the right amount of tang in every bite.
• Custom Toppings: Add whipped cream, lime slices, or zest—make it look homemade without extra effort.
• Always Crowd-Pleasing: Kids and adults love the sweet and tart mix, which makes it perfect for any group.
• No-Bake Option: Use a premade crust and chill—skip the oven when you’re short on time.
• Works Year-Round: Serve it in summer or winter—it fits any season or holiday dessert table.
• Perfect for Sharing: Slice it up for potlucks, parties, or family dinners—everyone grabs a piece.

This recipe checks all the boxes, and that's why our readers keep coming back to it!

Can I use regular lime juice instead of key lime juice for this pie?
Yes, you can use regular lime juice in key lime pie. Use the same amount for a bright citrus flavor.

Do I need to bake the graham cracker crust first?
Yes, bake the graham cracker crust before filling it if making from scratch. This helps the crust stay firm and adds extra flavor.

How do I know when the key lime filling is ready?
The filling looks set and jiggles just a little in the center when it’s ready. Don’t over bake it.

Can I make this pie without a hand mixer or stand mixer?
Yes, you can mix by hand with a whisk, but a mixer helps the filling turn out smoother and faster.

Should I use fresh or bottled lime juice in key lime pie?
You can use either fresh or bottled lime juice. Just make sure it’s 100% juice without any added sugar.

What’s the best way to zest limes for garnish?
Use a microplane to zest limes. Only grate the green part, not the bitter white layer underneath.

Do I need to let the pie cool before chilling it?
Yes, always cool the pie to room temp first. Then chill it so the filling sets up right.

How can I get clean slices when cutting key lime pie?
Use a sharp knife dipped in hot water. Wipe the blade between slices for neat, clean cuts.

Why does my key lime pie filling look runny?
If the filling looks runny, it might need more chilling time. Chill it for at least a few hours before slicing.

Should I serve key lime pie cold or at room temperature?
Always serve key lime pie cold. The chilled filling tastes refreshing and keeps its smooth texture and creamy consistency.

Can I add toppings before serving key lime pie?
Yes, add whipped cream, lime zest, or thin lime slices just before serving for a fresh and pretty finish.

How can I serve key lime pie for a holiday gathering?
Use a pie server and add whipped topping to each slice. It looks festive and keeps things easy for guests.

Is this pie a good dessert for summer get-togethers?
Yes, key lime pie tastes bright and cool, making it perfect for hot days, picnics, and summer BBQs.

Can kids enjoy a slice of key lime pie too?
Absolutely, kids love the sweet and tangy combo—just keep the slices smaller for easier serving and less mess.

Here’s everything you need to know about storing your homemade key lime pie:

Make Ahead: Go ahead and make your key lime pie early! After it sets, cover it tightly with plastic wrap or foil to keep it fresh. Then, refrigerate it until you're ready to serve.

In the Fridge: Didn’t finish the pie? No problem. Just cover it and store it in the fridge until you're ready for another slice. If you used a store-bought crust, flip the plastic insert over to use as a handy dome lid.

In the Freezer: You can freeze this creamy pie, no problem. Let it sit out for a few minutes before slicing and serving.