Copycat Crumbl Key Lime Pie Cookies (with Video)

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These Copycat Crumbl Key Lime Pie Cookies boast all of the flavour of a key lime pie with its creamy, zesty filling and buttery graham cracker crust – in a convenient, single-serve cookie form.

Our key lime pie cookie is a graham cracker-infused sugar cookie with a generous "filling"inspired by a classic key lime pie filling, and topped with a touch of whipped cream and key lime zest. It's tart, creamy and sweet and incredibly rich.

Key Lime Pie Cookies Recipe

I am having so much fun trying to replicate all of our favorite Crumbl cookie flavors – this is our 10th Crumbl Copycat recipe!

This key lime pie cookie is a hard one to get your hands on at the store – it’s been over 2 months since the last time they offered it, and that was SEVEN months after the time before! While I totally get that they create demand and buzz by limiting the cookie flavors and when they are available, it has made developing my own recipes an absolute necessity. My cravings don’t just occur on Crumbl’s cookie schedule!

Today’s key lime pie cookie is a graham cracker-infused sugar cookie with a generous “filling”inspired by a classic key lime pie filling, and topped with a touch of whipped cream and key lime zest. It’s tart, creamy and sweet and incredibly rich.

Unlike most of our other Crumbl copycat cookies, this key lime pie cookie is not topped with frosting. The cookies are each indented (before and after baking) to be able to hold some key lime pie filling, creating a cookie-pie hybrid dessert.

a pile of key lime pie cookies strewn on crumbled parchment paper on a marble countertop

To store your Crumbl Key Lime Pie Cookies, store in the fridge in an airtight container for up to 4 days. (For best results do not garnish with lime slices and whipped cream until ready to serve as the key lime slices will become slightly bitter if stored and impart that same bitter flavour to the whipped topping.)

These Crumbl Key Lime Pie Cookies can be frozen! To freeze, place the cookies in a contaner in a single layer and freeze for 1 hour, until filling is hardened. After this, you can wrap or stack the cookies in an airtight freezer container or freezer bag. (This set of freezer containers is a crazy bargain.) When ready to serve, thaw in the fridge for 4 hours or overnight.

Can I substitute key lime juice and zest with regular limes? Yes, if you’re making this recipe out of season or just cannot source key limes, you can use regular limes, just note that you may want to increase the sugar slightly to make up for the tarter flavour of regular limes.

You can also use bottled key lime juice (I always have a bottle in the fridge during the summer – that way I can make a key lime dessert whenever the craving hits).

composite image of three key lime pie-inspired desserts: key lime pie cookies, key lime cheesecake and key lime lush

More Key Lime Dessert Recipes:

composite image of a finished key lime pie cookie along with three images showing how to make them

Key Lime Pie Cookie Ingredients

For the Graham Cookies:

For the Key Lime Pie “Filling”:

For the Optional Garnish:

  • Lime Zest
  • Lime Slices

Scroll down to the printable recipe card for full measurements.

Tip: If serving these cookies later, prepare the cookies and filling, but do not fill each cookie until ready to serve. Store the cookies in a sealed plastic container separate from the key lime filing which should be placed covered or sealed in a plastic bag in the refrigerator.

image showing the ingredients needed to make key lime pie cookies

Kitchen Tools You May Find Helpful

  • 9×11 Baking Sheet
  • Parchment Paper
  • Cooling racks <– I have and love these tiered cooling racks, they save so much counter space and are also oven-safe
  • Cookie Scoop
  • Measuring Cups and Spoons
  • Mixing Bowl
  • Electric mixer <– this is a great hand mixer if you don’t want to make the investment into a stand mixer
overhead close-up of a key lime pie cookie with a bite missing, set on parchment paper

How to Make Key Lime Pie Cookies

Preheat the oven to 350 degrees Fahrenheit and prepare a baking sheet with parchment paper and set aside.

In a mixing bowl add the softened butter and brown sugar. Blend until creamy.

in-process images of how to make key lime pie cookies

Then add in the eggs and vanilla together. Use a hand mixer to mix again until combined.

Pour the crushed graham crackers and flour into the wet ingredients along with the baking soda, powder and salt. 

in-process images of how to make key lime pie cookies

Use a rubber spatula to fold these dry ingredients with the wet until incorporated and no flour streaks are left.

Use a large cookie scoop to make 2 inch round balls of cookie dough and place on the prepared baking sheet about 2 inches apart from each other.

in-process images of how to make key lime pie cookies

Use the bottom of a clean glass to press the center of each cookie and flatten, leaving a slight crinkly edge to each cookie, perfecting for filling with the key lime filling later.

Bake in the oven for 13-15 minutes or until the edges of the cookies are set.

in-process images of how to make key lime pie cookies

Remove the cookies from the oven, re-press the glass into each cookie to ensure the “dent” is deep enough to hold the key lime pie filling, and then let cool completely.

While those cool, make the key lime filling.

in-process images of how to make key lime pie cookies

In a large bowl, add the cream cheese. Blend with a hand mixer until smooth. Then add the sweetened condensed milk along with the powdered sugar and salt.

Blend again until creamy. Pour in the lime juice, heavy cream and vanilla extract. Blend for about 2 minutes until the filling becomes fluffy and silky smooth.

in-process images of how to make key lime pie cookies

Add the lime zest and fold into the filling until evenly distributed.

Once the cookies have cooled, take a large tablespoon of the key lime filling and transfer to the center of each cookie. Spread evenly with the spoon creating a thick layer of filling.

in-process images of how to make key lime pie cookies

Repeat with the rest of the cookies. Top with a small dollop of whipped cream and finish with extra lime zest for garnish.

Serve and enjoy!

Pin this Easy Copycat Crumbl Cookie recipe for Key Lime Pie Cookies the next time you’re craving a sweet and tart dessert:

These Copycat Crumbl Key Lime Pie Cookies boast all of the flavour of a key lime pie with its creamy, zesty filling and buttery graham cracker crust - in a convenient, single-serve cookie form.

Grab your free printable recipe card for our copycat Crumbl key lime pie cookies recipe:

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Yield: 12-15 cookies

Key Lime Pie Cookies

Key Lime Pie Cookies

These Copycat Crumbl Key Lime Pie Cookies boast all of the flavour of a key lime pie with its creamy, zesty filling and buttery graham cracker crust - in a convenient, single-serve cookie form.

Prep Time 15 minutes
Cook Time 14 minutes
Additional Time 25 minutes
Total Time 54 minutes

Ingredients

For the Graham Cookies:

  • 1 cup butter, unsalted
  • 2 cups dark brown sugar
  • 2 eggs
  • 2 teaspoons vanilla extract
  • 3 ½ cup all purpose flour
  • 1 cup crushed graham crackers
  • ½ teaspoon baking soda
  • ½ teaspoon baking powder
  • 1 teaspoon salt

For the Key Lime Pie "Filling":

  • 16 ounces cream cheese
  • 1 can sweetened condensed milk
  • 2 tablespoons powdered sugar
  • ¼ teaspoon salt
  • ⅓ cup lime juice
  • ⅓ cup heavy cream
  • 1 teaspoon vanilla
  • 1 tablespoon lime zest

For the Optional Garnish:

  • Lime Zest
  • Lime Slices

Instructions

  1. Preheat oven to 350 degrees Fahrenheit and prepare a baking sheet with parchment paper and set aside.
  2. In a mixing bowl add the softened butter and brown sugar. Blend until creamy.
  3. Then add in the eggs and vanilla together. Use a hand mixer to mix again until combined.
  4. Pour the crushed graham crackers and flour into the wet ingredients along with the baking soda, powder and salt. 
  5. Use a rubber spatula to fold these dry ingredients with the wet until incorporated and no flour streaks are left.
  6. Use a large cookie scoop to make 2 inch round balls of cookie dough and place on the prepared baking sheet about 2 inches apart from each other.
  7. Use the bottom of a clean glass to press the center of each cookie and flatten, leaving a slight crinkly edge to each cookie, perfecting for filling with the key lime filling later.
  8. Bake in the oven for 13-15 minutes or until the edges of the cookies are set.
  9. Remove the cookies from the oven, re-press the glass into each cookie to ensure the "dent" is deep enough to hold the key lime pie filling, and then let cool completely.
  10. While those cool, make the key lime filling.
  11. In a large bowl, add the cream cheese. Blend with a hand mixer until smooth. Then add the sweetened condensed milk along with the powdered sugar and salt.
  12. Blend again until creamy. Pour in the lime juice, heavy cream and vanilla extract. Blend for about 2 minutes until the filling becomes fluffy and silky smooth.
  13. Add the lime zest and fold into the filling until evenly distributed.
  14. Once the cookies have cooled, take a large tablespoon of the key lime filling and transfer to the center of each cookie. Spread evenly with the spoon creating a thick layer of filling.
  15. Repeat with the rest of the cookies. Top with a small dollop of whipped cream and finish with extra lime zest for garnish.
  16. Serve and enjoy!

Notes

If serving these cookies later, prepare the cookies and filling, but do not fill each cookie until ready to serve. Store the cookies in a sealed plastic container separate from the key lime filing which should be placed covered or sealed in a plastic bag in the refrigerator.

Do not garnish with lime slices until ready to serve as the key lime slices will become slightly bitter if stored and impart that same bitter flavour to the whipped topping.

Nutrition Information:

Yield:

15

Serving Size:

1

Amount Per Serving: Calories: 482Total Fat: 26gSaturated Fat: 15gTrans Fat: 0gUnsaturated Fat: 9gCholesterol: 95mgSodium: 379mgCarbohydrates: 56gFiber: 1gSugar: 29gProtein: 7g

Sugar, Spice and Glitter uses an auto-generate nutrition calculator. Nutrition information isn’t always accurate unless analyzed in a scientific lab, so these should be considered more of a guideline than medical information.

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a pile of key lime pie cookies strewn on crumbled parchment paper

I hope your family loves these easy key lime pie cookies as much as mine did!

For more scrumptious cookies, check out our full cookie recipe collection here:

For more decadent desserts, check out our full dessert recipe collection here:

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