key lime cheesecake bars with graham cracker crust and topped with fresh whipped cream
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The BEST Key Lime Cheesecake 

I’m a late bloomer to key lime pie love. I was in my twenties when I realized all the deliciousness that is the sharp, creamy, graham cracker-y balance of key lime pie. Been hooked ever since. 

While living in New York City, my most frequented bakery in the Upper West Side, was Magnolia Bakery. I love so many things there but one of my favorites is their key lime pie cheesecake. Normally with a plain cheesecake, I need something on it – like cherries, but not with this bad b. The sharpness from the limes perfectly balances against the creamy sweet of the cheesecake, plus they top it with a whipped cream that I don’t believe has any sugar in it (or at least I can never taste it). All in all, a perfect dessert. So I figured, why can’t I make it at home? I can, I will, and I’ll make it even better. 

This key lime cheesecake might be my greatest baking accomplishment ever (and I’ve conquered a bunch of pastries ok?). It has just the right amount of graham cracker crust – crust is a cheesecake requirement in my book – where you taste it in every bite, the absolute best balance of lime to cheesecake per forkful, and a very lightly sweetened fresh whip cream to go on top. Honestly, genuinely, absolutely, so impressed with myself. 

Go impress yourself and all your people with this absolutely PERFECT recipe.

key lime cheesecake bars with graham cracker crust and topped with fresh whipped cream
key lime cheesecake bars with graham cracker crust and topped with fresh whipped cream

KEY LIME CHEESECAKE

(sorry, coming soon with a website update – full recipe available at the bottom!)

How to: (sorry, coming soon with a website update – full recipe available at the bottom!)

makings of a graham cracker crust; butter and graham crackers next to 9x9 pan for graham cracker crust for key lime cheesecake bars with graham cracker crust and topped with fresh whipped cream

INGREDIENTS

  • (sorry, coming soon with a website update – full recipe available at the bottom!)

(sorry, coming soon with a website update – full recipe available at the bottom!)

HOW TO MAKE KEY LIME CHEESECAKE

(sorry, coming soon with a website update – full recipe available at the bottom!)

3 reasons you’ll love these cheesecake squares

  • (sorry, coming soon with a website update – full recipe available at the bottom!)
Ideas

TIPS & VARIATIONS

  1. (sorry, coming soon with a website update – full recipe available at the bottom!)

MAKING AHEAD & STORING

(sorry, coming soon with a website update – full recipe available at the bottom!)

MORE CHEESECAKE RECIPES

(sorry, coming soon with a website update – full recipe available at the bottom!)

key lime cheesecake bars with graham cracker crust and topped with fresh whipped cream

The BEST Key Lime Cheesecake

Print Recipe Pin Recipe
Prep Time 25 minutes
Cook Time 1 hour
Total Time 11 hours 25 minutes
Servings 9 bars
Course Dessert
Cuisine American
This key lime cheesecake might be my greatest baking accomplishment ever (and I’ve conquered a bunch of pastries ok?). It has just the right amount of graham cracker crust where you taste it in every bite, the absolute best balance of lime to cheesecake per forkful, and a very lightly sweetened fresh whip cream to go on top. Honestly, genuinely, absolutely, so impressed with myself. This key lime cheesecake will be your new favorite dessert, I promise!

Equipment

  • 9"x9" Pan
  • Parchment Paper
  • Mini Food Processor
  • Spatula
  • Spoons
  • Mixer
  • Bowls
  • Whisk
  • Juicer
  • Measuring Cups
  • Measuring Spoons
  • Piping Bag
  • Round piping nozzle

Ingredients

FILLING
  • 24 oz Cream cheese softened
  • ¾ cup Key Lime or Lime juice
  • ½ cup Sour Cream
  • 1 cup Sugar
  • 1 tbsp flour sifted
  • 3 large Eggs
CRUST
  • 1 ½ cups Graham Cracker crumbs
  • 6 tbsp Butter melted
  • 2 tbsp brown sugar
TOPPING
  • ¾ cup Heavy Cream Double Cream
  • 1 tbsp Powdered Sugar sifted
  • 1 Key Lime or Lime cut into thin wedges

Instructions

  • Preheat oven to 325F and grease and line a 9×9 baking dish with parchment paper.
  • For the crust, blitz your graham crackers in a food processor until finely ground and then combine in a bowl with melted butter and brown sugar. Press the mixture evenly into your greased and lined baking dish, using the flat bottom of a glass or measuring cup to press down firmly into the bottom of the pan. Freeze the crust for 15 minutes before placing it in the oven to bake for 15 minutes, until the crust is deeply golden brown. Remove from the oven and cool completely.
  • For the cheesecake, add your cream cheese to the bowl of a standing mixer and beat on medium-high until smooth. Add in your sour cream and lime juice and mix to combine.
  • In a small bowl, combine your sugar and flour with a whisk. This will help ensure there are no clumps of flour in your mixture. Pour over cheesecake batter and mix until incorporated.
  • Crack your eggs into your batter, one at a time, mixing between each egg until combined.
  • Pour your cheesecake batter over your cooled graham cracker crust; spread evenly in the pan with a spatula.
  • Bring 4-6 cups of water to a boil. Place your cheesecake on the center rack in the oven. Place a large casserole dish on the rack below where your cheesecake will be and immediately (but carefully!) pour in your boiling water until it reaches about halfway up your dish. Shut the oven as soon as possible, once you pour in your water. You want to trap all of that steam inside the oven!
  • Bake your cheesecake at 325F for 45 minutes. When it’s done, there will be a slight wobble in the center of the cheesecake but the edges will look set. Turn the oven off but crack the door slightly, leaving the cheesecake in the oven for another hour.
  • After an hour, remove the cheesecake from the oven and allow to cool completely at room temperature before covering it with foil and refrigerating it overnight.
  • If needed, use a knife to loosen the cheesecake from the sides of the pan before pulling the cheesecake, by the parchment paper, up and out of the baking dish. Slice into 3”x3” squares.
  • For the whipped cream, add your heavy cream to a bowl, sift in your powdered sugar, and whisk until thickened. Add your whipped cream to a piping bag with a round nozzle.
  • With your nozzle hovering centered and parallel above a cheesecake square, squeeze with even pressure for 3-4 seconds, pulling the piping bag upwards, to form a dollop of whipped cream on the square. Repeat for all squares.
  • Top with lime zest and a thin wedge of lime, if desired
  • Enjoy!

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