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Home / desserts / key lime cheesecake bars with graham cracker crust {low-carb}

key lime cheesecake bars with graham cracker crust {low-carb}

bars, dairy free, desserts, gluten-free, low calorie, low-carb, low-sugar, special diets

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Key lime cheesecake bars allow you to enjoy the best of both worlds: key lime pie and luscious cheesecake. This perfectly light, summertime treat will make you feel like you’re in Florida, enjoying a delicious treat by the water (and sugar and carbs weren’t invited!).

cheesecake bar and limes

You’ll fall in love with the crisp graham cracker flavored crust, topped with a rich and creamy cheesecake filling, flavored with tart, yet sweet lime. Savor every bite of this light, decadent treat!

key lime pie versus cheesecake

At its most basic, key lime pie has a filling made with sweetened condensed milk, key lime juice, and egg yolks, in a cookie or graham cracker crust. Key lime cheesecake takes that up a notch and combines the key lime flavor with classic cheesecake. Instead of condensed milk, cheesecake ingredients are used like eggs and cream cheese.

Many people use bottled key lime juice or freshly squeezed key lime juice. You can do both for this recipe however the recipe calls for regular, Persian limes (that you find in the grocery store next to the lemons) combined with fresh lemon juice.

overhead of key lime cheesecake bars and plate

how to make key lime cheesecake bars perfectly

There are 2 critical, life-altering steps, to take in this recipe which I outline below. If you do these steps, you’ll get a.) a nice crispy graham cracker crust and b.) a cheesecake filling that doesn’t crack.

Now, would it be the worst thing in the world if your graham cracker crust was slightly soft?
I guess not. But why have soft crust if you don’t have to?

Also, I suppose if a cracked cheesecake filling is the worst problem you ever have, you’re in pretty good shape but again, you’ll feel such a sense of accomplishment when you pull these bars out of the oven with NO cracks!!
I want that for you!

making the graham cracker crust

The crust is extremely easy. Add flour, xanthan gum, sweetener, salt, cinnamon, a small amount of honey and butter to a bowl. The butter must be cold (that’s the secret). Use your hands or a fork to combine everything, leaving bits of butter (see image below). Once it’s combined, place it in a parchment-lined 8-inch pan lightly (cover the surface area and pat down slightly but don’t worry if it’s not “tight” like typical dough. Place back in the fridge for 15-20 minutes. When you take the pan out of the fridge, place it in the oven for 8-10 minutes until the sides are slightly browned. Lower the oven to 325 degrees and set aside the pan to cool.

Cold butter is ideal for baked goods that should be crisp. Butter that’s straight from the fridge doesn’t get fully incorporated into a batter; instead, it gets broken down into small pieces throughout your dough. Since butter is about 18 percent water, steam is released in those pockets during baking, which helps create flaky layers.

making the key lime cheesecake filling

This filling is also extremely easy to make. You’ll start by placing room temperature cream cheese in a mixing bowl or stand mixer. If you forgot to leave the cream cheese out, no worries, simply open it on the counter, cut it in 1 inch slices and let it sit for 5-10 minutes until it’s soft.

Once the cream cheese is added to the bowl, use the whisk attachment and mix on low-medium until smooth. Add the room temperature eggs & yolk (again, if you forgot to pull them out, put them in warm water for 5-10 minutes before you crack them).

Add the lime juice & zest, lemon juice, sweetener, salt, vanilla, arrowroot flour, and milk of choice. I’ll put substitutions in the notes section of the recipe. Continue to beat on medium-low until smooth.

Once it’s smooth, taste, and see if it needs anything else. If it’s too tart, add a little more sweetener and a pinch more salt.

Pour the filling in the slightly cooled dough pan. Get a larger pan (anything that the 8-inch can fit into) and add about an inch of water to the pan. Place the key lime cheesecake pan in the water. The water will keep the filling from cracking. The alternative heat source (steam vs. just oven heat) will cook the filling more gently. Note, if you don’t have a bigger pan, you can fill a pot with water and place it on the rack under the key lime cheesecake pan.

key lime cheesecake bars without condensed milk

Instead of traditional key lime pie filling, made with condensed milk, the filling in these key lime cheesecake bars is mostly comprised of cream cheese and egg, with a little arrowroot flour (to thicken) and milk of choice.

limes on cheesecake bars

can key lime cheesecake bars be dairy-free?

Definitely—I make my version dairy-free and give those ingredient options in the recipe below. I like to make my own ghee rather than buy it. I’ll make a large batch every month or so and store in jars in the fridge and freezer. It’s a lot less expensive this way. It’s very easy to do – here’s a great step-by-step tutorial on it.

Instead of regular cream cheese, made with cow’s milk, I use dairy-free versions. My favorite brands are Kite hill, Miyokos, or, Violife.  I’ve recently converted to using dairy-free in my cream cheese frosting and love it. I find people can’t taste the difference, especially if it’s made with other ingredients.

what is the difference between a lime and key lime?

Grocery store limes, generally speaking, are Persian limes, which are larger and tarter than their Florida cousins. Key limes are smaller and contain more seeds than Persian limes, while Persian limes have a thick, bright green skin, and Key lime skin is thin and tends to be a little on the yellow side.

For this recipe, I use regular, grocery store limes however you could substitute with key limes (you’ll need to use more because they’re smaller).

close shot of cheesecake bar and limes

make these key lime cheesecake bars

Anthony’s almond flour

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Xanthan gum

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Swerve brown

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Swerve confectioners

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Arrowroot powder

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8-inch baking pan

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KitchenAid stand mixer

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Stainless steel mixing bowls

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Ingredient substitutes

Brown erythritol – you can use Swerve brown, Lakanto golden, Sukrin gold, coconut sugar, or brown sugar. (Note the last 2 aren’t low-carb).
Powdered erythritol – you can use Swerve powdered, Lakanto powdered or confectioners sugar (not low-carb). If you don’t have the powdered version of a sweetener, add regular erythritol to a dry food processor or coffee grinder to powder it.
Honey – you can omit however it adds a nice flavor and the minimal amount keeps this recipe low-carb.
Cream cheese – feel free to use dairy-free cream cheese, like Kite hill, Miyokos, or, Violife
Arrowroot  – substitute with tapioca flour or cornstarch.

key lime cheesecake bars with graham cracker crust {low-carb}
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key lime cheesecake bars with graham cracker crust {low-carb}

4 from 2 votes
Recipe by Karen Course: DessertCuisine: AmericanDifficulty: Easy
Servings

9

servings
Prep time

40

minutes
Cooking time

40

minutes
Calories

194

kcal

You’ll fall in love with the crisp graham cracker flavored crust, topped with a rich and creamy cheesecake filling, flavored with tart, yet sweet lime. Savor every bite of this light, decadent treat!

Ingredients

  • Crust:
  • 3/4 cup blanched almond flour

  • 3/4 tsp. xanthan gum

  • 1/4 tsp. sea or kosher salt

  • 2 tbsp. cold butter or ghee

  • 3 tbsp. brown erythritol (like Swerve Brown, subs in notes)

  • 1/2 tbsp. honey

  • 1 tsp. ground cinnamon

  • Key lime cheesecake filling
  • 8 oz. cream cheese, room temp (subs in notes)

  • 2 eggs, room temp

  • 1 egg yolk, room temp

  • 1/4 cup lime juice (about 2 limes)

  • 1 tbsp. lime zest (from about 1 lime)

  • 2 tbsp. lemon juice (about 1 lemon)

  • 1/8 tsp. sea or kosher salt

  • 1/2 cup powdered erythritol (like Swerve powdered, subs in notes)

  • 1/2 tsp. vanilla extract

  • 2 tbsp. arrowroot powder

  • 2 tbsp. milk of choice

Directions

  • For the crust:
  • Line an 8-inch baking pan with parchment paper.
  • In a small bowl, add almond flour, xanthan gum, salt, cold butter, sweetener, honey and cinnamon. Mix together with fingers or a fork, integrating the butter into the other ingredients. It’s ok to leave small chunks of butter. Add ingredients to the baking pan and lightly pat down, making sure to cover the bottom of the pan. Place in the refrigerator for 15-30 minutes.
  • Preheat oven to 350. Take the crust out of the fridge and place in the oven for 8-10 minutes until sides slowly brown. Set aside to cool (and turn the oven down to 325 degrees)
  • For the key lime cheesecake filling
  • Add cream cheese to mixing bowl and beat on medium low (whisk attachment) using a hand or stand mixer. Beat until smooth.
  • Add eggs and yolk, lime and lemon juice, zest, sweetener, salt, vanilla, arrowroot, and milk. Mix until smooth. Pour over slightly cooled crust.
  • Get a larger pan (that can hold an 8-inch pan) and put an inch of water in it. Place the 8-inch pan in the water. Make sure the oven rack is in the upper half of the oven and temperature has been turned down to 325 degrees.
  • Bake for 35-40 minutes until center isn’t jiggly.
  • Set aside to cool on the counter and place in the fridge once it’s cooled. Serve with whipped cream if you like.

Notes

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Nutrition Facts

9 servings per container


  • Amount Per ServingCalories194
  • % Daily Value *
  • Total Fat 12g 19%
    • Cholesterol 68mg 23%
    • Total Carbohydrate 21g 8%
      • Dietary Fiber .9g 4%
      • Sugars 1.6g
    • Protein 5.8g 12%

      * The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

      other low-carb desserts you’ll love

      • “they’ll never know” low carb brownies
      • gooey s’mores bars (low-carb)
      • strawberry shortcake cupcakes with cream cheese frosting
      • carrot cake cupcakes, cream cheese frosting & orange-glazed walnuts
      • keto lemon bars

      June 16, 2020 · Leave a Comment

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