Key Lime Cheesecake

Published June 19, 2016. Updated February 5, 2025

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This Key Lime Cheesecake is beyond delicious! It’s perfectly tart, deliciously sweet, lightly tangy, unbelievably creamy, and amazingly luscious. It’s brimming with fresh lime flavor, finished with a buttery graham cracker crust, and such a show-stopping dessert!

Key Lime Cheesecake | Cooking Classy

Key Lime Cheesecake

If you haven’t noticed yet I could live on cheesecake! Now if only I could figure out how to make it healthy. I actually love a good splurge once in a while – as in every weekend I need a really decadent dessert like so. I say “need” because I basically do feel like I need it, it gives me a good start to a new week. Makes me feel nice and refreshed :).

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Whole Key Lime Cheesecake on a white serving plate. Cheesecake is garnished with whipped cream, raspberries, and limes along edges and a strawberry in center.

It’s like a spa treatment through my eyes. I’d take something like this over a back massage any day!

You know it’s good when you can’t help but reach into the fridge at midnight for another slice (whoops)! Trust me though it is worth every single calorie. We all need to treat ourselves sometimes and this is the perfect bright, summery cheesecake to make for any kind of celebration this summer… or to make just because.

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I wouldn’t wait for a celebration or get-together to make this if you don’t have one coming up soon. You’ll have to make it just because life needs cheesecake sometimes.Key Lime Cheesecake | Cooking Classy

So yes, this is called Key Lime Pie, but to be honest, I’ve never baked with Key Limes. I don’t have the patience to juice millions of itty bitty limes to get 1/2 cup of juice. I mean, really, though, what do you get out of one of those things, a teaspoon of juice? Some people swear by that key lime flavor, though!

Lifting a slice of key lime cheesecake from the whole cake. It's garnished with whipped cream, raspberries, mint and graham crackers.

Fresh lime juice is a must here though, whether you choose to use Persian Limes (the regular size) or key limes it won’t make a huge difference. Either way, you’ll end with one incredible cheesecake that is basically guaranteed to get rave reviews (just please don’t use bottled lime juice, it won’t be nearly as good)!

Another important step is the water bath. The extra effort with hot water surrounding your pan will prevent cracks as the cheesecake returns to room temperature after baking. Follow the instructions carefully, including using a paddle attachment for your electric mixer or the bowl of a stand mixer to mix your batter completely, preventing bubbles and chunks that can ruin our cheesecake batters. Don’t forget to scrape up the bottom of the bowl!

Key Lime Cheesecake | Cooking Classy

Top with fruit and dollops of whipped cream and VOILA! My family loved it, and since we are a small family I got to eat it for three days straight – it was a good three days! (Thanks to plastic wrap!) Make this cheesecake at least once this summer, the summer won’t be complete until you do!

Key Lime Cheesecake Ingredients

  • Graham Cracker Crumbs
  • Sugar
  • Unsalted butter
  • Cornstarch
  • Cream cheese
  • Eggs
  • Sour cream
  • Heavy cream
  • Lime juice
  • Whipped cream
  • Vanilla extract
  • Garnishes: lime wedges, key lime slices, key lime zest, raspberries, strawberries

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4.95 from 125 votes

Key Lime Cheesecake

This Key Lime Cheesecake is unbelievably delicious! It's perfectly tart, perfectly sweet, perfectly tangy, perfectly creamy, perfectly luscious - it's perfectly everything! You know it's good when you can't help but reach into the fridge at midnight for another slices (whoops)! Trust me though it is worth every single calorie.
Servings: 14
Prep30 minutes
Cook1 hour 15 minutes
Chilling9 hours
Ready in: 10 hours 45 minutes

Ingredients

Crust

  • 2 cups (230g) crushed graham cracker crumbs (from 15 full sheets)
  • 3 Tbsp (39g) granulated sugar
  • 1/2 cup (113g) salted butter, diced into 1 Tbsp pieces and melted

Filling

Toppings

  • 1 cup (235ml) heavy cream
  • 2 1/2 Tbsp (33g) granulated sugar
  • Fresh raspberries or sliced strawberries, lime wedges, lime zest and fresh mint (optional)

Instructions

  • For the crust: Preheat oven to 350 degrees. Line the outside of a 9-inch springform pan with a sheet of 18 by 18 heavy duty aluminum foil*. 
  • Add graham crackers and sugar to a mixing bowl and stir to combine, then pour in butter and mix with a fork until evenly moistened. 
  • Pour into prepared springform pan and press evenly into bottom and up the sides coming about 1-inch from the top. Bake in preheated oven 10 minutes, then remove and cool on a wire rack.
  • Reduce oven temperature to 325 degrees. Have a large roasting pan ready and boil about 4 quarts of water (you may not need all of it).
  • For the cheesecake filling: In a small mixing bowl whisk together granulated sugar and cornstarch until well combined. Add cream cheese to a large mixing bowl, pour sugar mixture over top and using an electric hand mixer blend cream cheese until smooth.
  • Mix in eggs one at a time, mixing just until combined after each addition. Scrape down sides and bottom of bowl. Add sour cream and heavy cream and mix until combined. 
  • Mix in lime juice and vanilla. Tap bowl forcefully against countertop about 30 times to release any large air bubbles. 
  • Pour over cooled graham cracker crust. Place cheesecake in roasting pan then place roasting pan in oven and carefully pour in enough boiling water around cheesecake pan to reach halfway up the side of the cheesecake pan. 
  • Bake in preheated oven until cheesecake is nearly set but still jiggly in the center, about 60 - 65 minutes. Remove from oven and cool on a wire rack for 1 hour. Cover and chill in refrigerator 8 hours or overnight.
  • For the topping: In a medium mixing bowl whip heavy cream using an electric hand mixer set on high speed until soft peaks form. Add granulated sugar and whip until stiff peaks form. 
  • Transfer to a piping bag fitted with a star tip and pipe over cheesecake just before serving. Garnish with berries, lime wedges, lime zest and mint if desired. Store cheesecake in refrigerator.

Notes

  • *Make sure the foil has no holes, you don't want any water to leak in.
Nutrition Facts
Key Lime Cheesecake
Amount Per Serving
Calories 502 Calories from Fat 324
% Daily Value*
Fat 36g55%
Saturated Fat 20g125%
Cholesterol 154mg51%
Sodium 357mg16%
Potassium 156mg4%
Carbohydrates 38g13%
Sugar 27g30%
Protein 6g12%
Vitamin A 1330IU27%
Vitamin C 2.8mg3%
Calcium 98mg10%
Iron 1.1mg6%
* Percent Daily Values are based on a 2000 calorie diet.
Nutrition values are estimates only. See full disclaimer here.

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417 Comments

  • Cecilia Mosquera

    Hi! What is the purpose of the cornstarch in the recipe? I made it the other day without the cornstarch and it came out amazing. I am serving it again tomorrow?

    • Jaclyn

      Jaclyn Bell

      It helps thicken a bit and reduce chance of cracks. But if it worked well without it then great, one less ingredient :).

  • Dee

    This was perfection! I made some homemade lime curd and topped it with that for an extra dose of tartness. SOOOO GOOD!

  • Angela

    I am making this cheesecake for the 4th time today. Everyone loves it and it is so pretty and colorful.

    • Jaclyn

      Jaclyn Bell

      Happy to hear you’re making it for a 4th time Angela! Thanks for the great review!

  • Barbara

    I just made this cheesecake for my mom’s birthday – it was AMAZING!! I have actually never made cheesecake from scratch before, but this turned out so good. The lime in it was perfect. I didn’t change anything in the recipe, except I made the crust a little thicker. My family has already asked for this recipe, and we all agreed it was one of the best cheesecakes we’ve ever had. Thank you for sharing this recipe with us! It will definitely be a staple in our house for celebrations :)

  • Peggy

    I’m making this beautiful key lime cheesecake for my wedding in 2 weeks. Can I freeze it? What would be the best way to do that so it’ll taste just as great?

    • Jaclyn

      Jaclyn Bell

      Congrats on the marriage! As far as freezing goes I haven’t tested so I can’t say for sure as to the results once thawed but most cheesecakes do freeze ok.

  • Angela forte

    Absolutely delicious and beautiful!
    Turned out perfect! *****

  • Madel

    I made this cheesecake the other night. It is by far the best Key Lime Cheesecake I have ever tasted. Your measurements are exactly right. The recipe is for keeps. I just have one problem. It was grainy. I’m not sure why.

    • Jaclyn

      Jaclyn Bell

      Hmmm that is strange. I’ve never had that happen and I’m not exactly sure what may have caused it but you could try a little bit of corn syrup in place of the sugar (maybe 1 Tbsp) to prevent that. I’m so glad you still enjoyed it though!

  • Lee

    This is the best key lime cheesecake ever, looks so pretty and the taste is off the charts. You must make this cheesecake