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A large Copycat Crumbl Key Lime Cookies with a bite taken out, topped with white cream and a lime wedge, served on a gray plate.

Copycat Crumbl Key Lime Cookies

cheff jenn
Copycat Crumbl Key Lime Cookies feature a soft graham cracker cookie base filled with creamy, tangy key lime filling. Chilled to perfection, they deliver classic key lime pie flavor in an easy, bakery-style cookie.
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Prep Time 30 minutes
Cook Time 14 minutes
chill time 2 hours
Total Time 2 hours 44 minutes
Course Dessert
Cuisine American
Servings 10 cookies
Calories 359 kcal

Equipment

Ingredients
  

For the cookie base

  • ½ cup unsalted butter softened
  • ½ cup granulated sugar
  • ¼ cup brown sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1 ½ cups all-purpose flour
  • 1 ½ cups graham crackers crushed, divided
  • ½ teaspoon salt
  • ½ teaspoon baking soda
  • ½ teaspoon baking powder

For the topping

  • 5 ounces cream cheese softened
  • 1/3 cup sweetened condensed milk
  • 1/4 cup key lime juice
  • 1 tablespoon key lime zest or regular lime zest

Optional toppings

  • whipped topping
  • key lime slices

Instructions
 

  • Preheat the oven to 350°F and line baking sheets with parchment paper.
  • Cream the butter, granulated sugar, and brown sugar until smooth.
  • Add the egg and vanilla extract and mix well, scraping the sides as needed.
  • Add the flour, 1 cup crushed graham crackers, salt, baking soda, and baking powder. Mix until combined.
  • Scoop the dough with a 2-tablespoon ice cream scoop, then roll it in the remaining graham crackers, and place on baking sheets.
  • Press a shallow indent into each cookie.
  • Bake for 10 minutes. Remove, deepen the indent with a ½ cup measuring scoop, and bake 2–4 minutes more. Cool completely.
  • Beat cream cheese and sweetened condensed milk until smooth. Add key lime juice and zest and mix until combined.
  • Pipe filling into the cooled cookies and refrigerate for 2 hours before serving.

Notes

Chef Jenn’s Tips

  • Fully softened cream cheese ensures a smooth, lump-free filling.
  • Chilling is essential for clean presentation and proper texture.
  • Bottled key lime juice works well if fresh key limes aren’t available.
  • Avoid overbaking; the cookies should remain soft once cooled.

Nutrition

Serving: 1cookieCalories: 359kcalCarbohydrates: 47gProtein: 5gFat: 17gSaturated Fat: 10gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gTrans Fat: 0.4gCholesterol: 61mgSodium: 349mgPotassium: 126mgFiber: 1gSugar: 25gVitamin A: 532IUVitamin C: 2mgCalcium: 79mgIron: 2mg
Keyword citrus cookies, Crumbl copycat cookies, filled cookies, graham cracker cookie, key lime cookies
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