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There’s something magical about the sweet and tangy flavors of key lime pie. Now imagine transforming that classic dessert into an irresistible cookie. These Copycat Crumbl Key Lime Pie Cookies taste just like a slice of pie but are even easier to enjoy. With this detailed recipe, you’ll be able to create cookies so delicious that they’ll rival the ones from Crumbl itself.

Why This Recipe Works

The secret to these cookies lies in the combination of buttery graham cracker crumbs and the tangy key lime frosting. The cookie base is soft, slightly crumbly, and perfectly sweet, while the frosting brings a refreshing burst of citrus. Together, they recreate the essence of key lime pie in every bite. Plus, the added graham cracker topping enhances the texture, making these cookies a treat for all your senses.

Ingredients List

Graham Cracker Cookie Base

1 ½ cups unsalted sweet cream butter, softened
¾ cup sugar
1 ½ cups brown sugar
2 large eggs
1 tablespoon pure vanilla extract
4 cups flour
3 cups graham cracker crumbs
2 teaspoons baking soda
1 teaspoon kosher salt

Key Lime Frosting

2 cups unsalted sweet cream butter, softened
4 cups powdered sugar
4 tablespoons heavy whipping cream
1 tablespoon key lime juice
3 tablespoons key lime zest
½ cup graham cracker crust, finely crushed

Step-by-Step Instructions

Preheat and Prepare

Preheat your oven to 350°F. Line two cookie sheets with parchment paper to prevent sticking.

Make the Cookie Dough

In a standing mixer, combine the butter, sugar, brown sugar, eggs, and vanilla extract. Beat until smooth, fluffy, and fully combined.
In a separate bowl, whisk together the flour, graham cracker crumbs, baking soda, and salt.
Gradually add the dry ingredients to the wet mixture, beating until a dough forms.
Scoop out 16 equal portions of dough and roll each into a ball. Place them on the prepared cookie sheets, spacing them evenly. Gently press each ball to slightly flatten.
Bake for 15 minutes or until the cookies are lightly golden brown. Let them cool completely before adding frosting.

Make the Key Lime Frosting

Using a standing mixer, beat the butter, powdered sugar, heavy whipping cream, key lime juice, and zest until the mixture is smooth, fluffy, and able to hold peaks.

Decorate the Cookies

Spoon the frosting into a large piping bag fitted with a round tip.
Starting at the center of each cookie, pipe a thick spiral of frosting outward to the edges.
Sprinkle finely crushed graham cracker crumbs over the frosting for added texture and flavor.
If desired, garnish each cookie with a dollop of whipped cream and a small wedge of lime for a professional touch.

Recipe Tips for Success

To make these cookies truly shine, follow these essential tips:

Use real butter: Butter is crucial for achieving the perfect texture and flavor. Avoid margarine or shortening, as they don’t provide the same richness.
Key lime juice substitution: If key lime juice isn’t available, regular lime juice will work. However, the flavor will be slightly less tart and authentic.
Graham crackers: If you can’t find graham cracker crust, regular graham crackers can be used. Ensure they are finely crushed—a food processor works best for this.
Storage: Keep leftovers in an airtight container in the fridge for up to four days. For longer storage, freeze the cookies for up to one month. Thaw overnight in the fridge before serving.

Frequently Asked Questions

Can I Make the Dough Ahead of Time?

Yes! The cookie dough can be prepared and stored in the fridge for up to two days. Simply let it come to room temperature before baking.

What’s the Best Way to Crush Graham Crackers?

Using a food processor ensures finely crushed crumbs. If you don’t have one, place the crackers in a zip-top bag and crush them with a rolling pin.

Can I Use Regular Lime Juice Instead of Key Lime?

Absolutely. While key lime juice offers a more distinctive tart flavor, regular lime juice is a great alternative and works just as well in this recipe.

Final Thoughts

These Copycat Crumbl Key Lime Pie Cookies are the perfect blend of sweet and tangy, offering a delightful twist on a classic dessert. Whether you’re hosting a gathering or simply treating yourself, this recipe is guaranteed to impress. Once you try them, you’ll see why they’ve become a family favorite in our home. Give this recipe a go, and let us know how it turned out for you. Happy baking!