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Moonbeam Ice Cream Crumbl Cookie broken in half with vibrant frosting

The Best Moonbeam Ice Cream Cookie Recipe

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Get the perfected Crumbl copycat recipe for the Moonbeam Ice Cream Cookie! A soft chocolate cookie topped with a dreamy swirl of lemon, berry & marshmallow.

  • Total Time: 37 minutes
  • Yield: 6 large cookies 1x

Ingredients

Scale

For the Cookie Base:

  • 1/2 cup unsalted butter, softened
  • 3/4 cup granulated sugar
  • 1 large egg, room temperature
  • 1/3 cup unsweetened cocoa powder
  • 1/2 teaspoon espresso powder (optional)
  • 1 cup all-purpose flour
  • 1/2 teaspoon salt
  • 1 tablespoon cornstarch
  • 1/2 teaspoon baking soda

For the Frosting:

  • 1/2 cup unsalted butter, softened
  • 1 1/2 cups powdered sugar
  • 23 tablespoons heavy cream
  • 1/4 teaspoon lemon flavoring
  • 1/4 teaspoon berry extract or 1 teaspoon freeze-dried berry powder
  • 2 tablespoons marshmallow crème or 1/4 teaspoon marshmallow flavoring

For the Toppings:

  • 2 tablespoons melted white chocolate
  • 1 Oreo cookie, crushed

 

Instructions

  1. Preheat oven to 300°F (150°C) and line a baking sheet with parchment paper.
  2. Cream butter and sugar until light and fluffy. Add egg and mix until smooth.
  3. Mix in cocoa powder, espresso powder, salt, cornstarch, and baking soda.
  4. Gradually add flour and mix until soft dough forms.
  5. Scoop 1/4 cup-sized balls of dough and space them on the prepared sheet.
  6. Bake for 12 minutes or until edges are set and centers are gooey. Cool on the tray.
  7. Make the frosting: Beat butter until fluffy. Add powdered sugar gradually, then cream.
  8. Divide into 3 bowls. Flavor one with lemon, one with berry, one with marshmallow.
  9. Once cookies are fully cooled, swirl all three frostings on top using piping bags.
  10. Drizzle melted white chocolate and sprinkle crushed Oreo over the frosted cookies.
  11. Chill for 30 minutes before serving for the best texture and flavor.

Notes

  • For best results, let cookies cool fully before frosting.
  • Chill cookies in the fridge for at least 30 minutes after decorating.
  • Unfrosted cookies can be frozen for up to 2 months; frost fresh when serving.
  • Use gluten-free flour or vegan substitutes to adapt for dietary needs.
  • Makes a bold dessert centerpiece or an impressive Crumbl copycat gift.
  • Author: Jason Clarke
  • Prep Time: 25 minutes
  • Cook Time: 12 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American Viral

Nutrition

  • Serving Size: 1 cookie
  • Calories: 410
  • Sugar: 34g
  • Sodium: 150mg
  • Fat: 22g
  • Saturated Fat: 13g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 48g
  • Fiber: 2g
  • Protein: 3g
  • Cholesterol: 55mg