Oh, key lime pie. Just saying the name makes my mouth water! There’s something so incredibly satisfying about that perfect balance of sweet and tangy, all nestled in a crumbly graham cracker crust. It’s like a little slice of sunshine, you know? This key lime pie recipe is my absolute go-to for a reason. It’s the classic version that just works, every single time. I remember the first time I made it – I was convinced it would be complicated, but honestly, it’s shockingly easy! My own grandpa, who was a bit of a pie snob, absolutely adored this one. He’d always ask for seconds, which was high praise coming from him!
Why You’ll Love This Key Lime Pie Recipe
Trust me, this key lime pie recipe is a winner for so many reasons!
- It’s super easy to whip up, even if you’re new to baking.
- You get that perfect zingy, tangy flavor that’s just *chef’s kiss*.
- It’s a total classic – comforting and always a crowd-pleaser.
- The sweet and tart balance is just spot-on.
- It looks beautiful on any table, perfect for parties or just a Tuesday.
- Seriously, it’s hard to mess this one up!
Ingredients for the Perfect Key Lime Pie Recipe
Okay, let’s talk ingredients! This is where the magic really happens for our amazing key lime pie recipe.
- 1 1/2 cups graham cracker crumbs (don’t skip this, it’s our yummy base!)
- 1/4 cup granulated sugar (just a touch to sweeten the crust)
- 6 tablespoons unsalted butter, melted (makes everything stick together nicely)
- 4 large egg yolks (these give our filling that lovely richness)
- 1 (14 ounce) can sweetened condensed milk (this is the sweet, creamy secret!)
- 1/2 cup key lime juice (and make sure it’s the *real* deal, not that imitation stuff!)
- 1 teaspoon lime zest (for an extra punch of fresh lime flavor)
- Whipped cream, for topping (optional, but oh-so-good!)
- Lime slices, for garnish (optional, but makes it look so fancy!)
Equipment Needed for Your Key Lime Pie
You don’t need a fancy chef’s kitchen for this! Just grab a few basics:
- A 9-inch pie plate (glass or ceramic works great!)
- A medium bowl for mixing the crust
- Another bowl for making that dreamy filling
- A good old whisk (essential for that smooth filling!)
- Measuring cups and spoons
- An oven (of course!)
- A wire rack for cooling
Step-by-Step Instructions for Making Key Lime Pie
Alright, let’s get down to business! Making this amazing key lime pie is totally doable, and I’ll walk you through exactly how to get that perfect tart and sweet flavor. Think of it like a mini baking adventure that leads to pure deliciousness. If you’ve ever made any kind of simple baked good, this will feel familiar and fun!
Preparing the Graham Cracker Crust
First things first, let’s get that glorious crust ready. Preheat your oven to 350°F (175°C) – that’s the magic temperature! Grab your graham cracker crumbs and the sugar, then toss ’em into a bowl. Pour in that melted butter and just stir it all around until every last crumb is nicely moistened. It should look a bit like wet sand. Then, take that mixture and press it really, really firmly into the bottom and up the sides of your 9-inch pie plate. Give it a good little pat-down. Pop that into the oven for about 8 to 10 minutes, just until it looks lightly golden. Once it’s out, let it cool completely while we make the filling – no shortcuts here!
Crafting the Tangy Key Lime Filling
Now for the star of the show – that incredible filling! In a separate bowl, take your egg yolks and whisk them until they’re nice and smooth. Don’t beat them to death, just get them uniform. Then, slowly start whisking in that can of sweetened condensed milk. Keep whisking gently until it’s all nicely combined and creamy. This is where the magic really happens: stir in that lovely key lime juice and the lime zest. Keep stirring until everything is smooth and has that beautiful pale-green hue. It smells amazing already, right?

Baking and Chilling Your Key Lime Pie
Okay, pie assembly time! Carefully pour that dreamy key lime filling into your cooled graham cracker crust. It should fill it up just about perfectly. Pop the whole pie back into that same 350°F (175°C) oven. You’ll want to bake it for about 15 to 20 minutes. How do you know it’s ready? The filling should be set around the edges, but the very center should still have a tiny bit of a wobble when you gently nudge the pie plate. It shouldn’t be sloshy, but not completely solid either! Once it’s done baking, take it out and let it cool on a wire rack for at least an hour. This is super important! Then, cover it loosely and pop it into the fridge for at least 4 hours, but honestly, overnight is best. This chilling time is crucial for the pie to set up perfectly!

Tips for the Best Key Lime Pie
You want that perfect key lime pie, right? The one that’s super tangy but not too sour, perfectly sweet, and has that amazing texture? Here are my little secrets that make this key lime pie recipe shine:
- Use Real Key Lime Juice: Seriously, this is non-negotiable! Bottled stuff can be okay in a pinch, but nothing beats the bright, floral flavor of real key limes (or good quality bottled key lime juice like Nellie & Joe’s). It makes all the difference.
- Don’t Overbake! This is probably the biggest tip. You want that gentle jiggle in the center when you take it out. It finishes setting up in the fridge. Overbaking means a rubbery pie, and nobody wants that.
- Chill Time is Crucial: I know it’s tempting to cut into it right away, but let it chill! At least 4 hours, but overnight is even better. This lets all those flavors meld and ensures a perfectly firm, sliceable pie.
- Press That Crust Firmly: A loose crust is just sad. Really pack it into the pan, especially up the sides. It keeps everything together beautifully when you serve it.
Ingredient Notes and Substitutions for Key Lime Pie
Let’s chat about some of the stars of our key lime pie recipe! The key lime juice is hands-down the most important. If you can get your hands on fresh key limes, go for it! They have this amazing floral flavor. But, if you can’t, good quality bottled key lime juice, like Nellie & Joe’s, works wonderfully and keeps that essential tangy kick. Regular lime juice is a decent backup, but it’s just not quite the same, missing that unique sweetness and floral note.
Serving and Storing Your Key Lime Pie
Alright, your masterpiece is ready! For serving, I love to top this key lime pie with a generous dollop of fluffy whipped cream – it’s the perfect creamy contrast to the tart filling. A few thin slices of fresh lime on top make it look absolutely divine, too. If you happen to have any leftovers (which doesn’t happen often in my house!), just pop a cover over it and pop it into the refrigerator. It’ll stay delicious for about 3-4 days. Maybe try pairing a slice with a fun drink!

Frequently Asked Questions About Key Lime Pie
Why is my key lime pie not setting?
Oh, that’s a bummer! Usually, if your key lime pie isn’t setting, it’s because it wasn’t baked long enough. That slight jiggle is good, but if it’s super liquidy, it needs more time. Also, make SURE you used sweetened condensed milk and not evaporated milk – they are VERY different! And don’t forget that crucial chilling time; it really does finish the setting process.
Can I make key lime pie without a crust?
You totally *can*, but honestly, the graham cracker crust is such a big part of that classic key lime pie experience! It adds that delicious texture and a little extra sweetness to balance the tartness. If you’re avoiding gluten or carbs, you could maybe try a nut-based crust or even just serve the filling in little cups, but for the *real deal* key lime pie, the crust is key!
What kind of lime juice is best for key lime pie?
For the absolute best flavor in your key lime pie recipe, you really want to use real key lime juice. They have a unique floral, tangy flavor that regular limes just can’t replicate. If you can’t find fresh key limes, a good quality bottled key lime juice (like Nellie & Joe’s) is your next best bet. Regular lime juice will work in a pinch, but it won’t taste quite as authentic.
Can I use frozen key lime juice concentrate?
Some folks do use frozen key lime juice concentrate, and it can work in a pinch! You’ll want to thaw it completely and make sure you’re using a good brand. Just like with bottled juice, it’s not *quite* as vibrant as fresh, but it’ll give you that signature tang your key lime pie needs. Just follow the recipe’s measurement, and you should be good to go!
Estimated Nutritional Information
Whipping up this delicious key lime pie recipe is so worth it! For about each slice, you’re looking at just over 350 calories. It’s got around 18g of fat (9g of that’s saturated), about 40g of carbs with a good chunk of that being sugar, and a little bit of protein and fiber too. Keep in mind these numbers are just estimates, you know? They can totally change depending on the exact brands you use and how big your slices are!
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Key Lime Pie
- Total Time: 50 min
- Yield: 8 servings 1x
- Diet: Vegetarian
Description
A classic key lime pie recipe with a graham cracker crust and a tangy, sweet filling.
Ingredients
- 1 1/2 cups graham cracker crumbs
- 1/4 cup granulated sugar
- 6 tablespoons unsalted butter, melted
- 4 large egg yolks
- 1 (14 ounce) can sweetened condensed milk
- 1/2 cup key lime juice
- 1 teaspoon lime zest
- Whipped cream, for topping (optional)
- Lime slices, for garnish (optional)
Instructions
- Preheat your oven to 350°F (175°C).
- In a medium bowl, combine graham cracker crumbs and granulated sugar. Pour in the melted butter and stir until the crumbs are evenly moistened.
- Press the crumb mixture firmly into the bottom and up the sides of a 9-inch pie plate.
- Bake the crust for 8-10 minutes, or until lightly golden. Let it cool completely.
- In a separate bowl, whisk together the egg yolks until smooth.
- Gradually whisk in the sweetened condensed milk until well combined.
- Stir in the key lime juice and lime zest until the filling is smooth.
- Pour the filling into the cooled pie crust.
- Bake for 15-20 minutes, or until the filling is set but still has a slight jiggle in the center.
- Let the pie cool on a wire rack for at least 1 hour.
- Chill the pie in the refrigerator for at least 4 hours, or preferably overnight, before serving.
- Top with whipped cream and garnish with lime slices, if desired.
Notes
- For a firmer crust, you can bake it for an additional 5 minutes.
- Ensure you use real key lime juice for the authentic flavor.
- The pie will continue to set as it chills.
- Prep Time: 20 min
- Cook Time: 30 min
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 350
- Sugar: 35g
- Sodium: 150mg
- Fat: 18g
- Saturated Fat: 9g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 40g
- Fiber: 1g
- Protein: 5g
- Cholesterol: 70mg
Keywords: key lime pie, lime pie, graham cracker crust, easy pie recipe, dessert recipe, tangy pie

