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Marshmallow Crispy Cookies (Costco Copycat)

7 Secrets for Perfect Marshmallow Crispy Cookies (Costco Copycat) at Home!


  • Author: recipeinspire
  • Total Time: 22 minutes
  • Yield: 24 cookies 1x
  • Diet: Vegetarian

Description

These Marshmallow Crispy Cookies are soft, chewy, and full of gooey marshmallows mixed into a crispy cookie base. Perfect for satisfying your sweet tooth and nostalgic cravings, they’re ideal for parties, holidays, or anytime!


Ingredients

Scale
  • 1/2 cup unsalted butter, softened
  • 1/2 cup granulated sugar
  • 1/2 cup brown sugar, packed
  • 1 large egg
  • 1 tsp vanilla extract
  • 1 1/4 cups all-purpose flour
  • 1/2 tsp baking soda
  • 1/4 tsp salt
  • 1 cup crispy rice cereal
  • 1 cup mini marshmallows
  • 1/2 cup chocolate chips (optional)

Instructions

  1. Preheat oven to 350°F (175°C) and line baking sheets with parchment paper.
  2. Cream together butter, granulated sugar, and brown sugar until light and fluffy.
  3. Beat in the egg and vanilla until smooth.
  4. In a separate bowl, whisk together flour, baking soda, and salt.
  5. Gradually add dry ingredients to wet mixture until a soft dough forms.
  6. Fold in rice cereal, marshmallows, and chocolate chips if using.
  7. Drop tablespoon-sized balls of dough onto prepared baking sheets, spacing 2 inches apart.
  8. Bake for 10–12 minutes, until edges are set but centers are still soft.
  9. Cool on the baking sheet for 5 minutes before transferring to a wire rack.

Notes

Do not overbake—marshmallows melt and create gooey pockets. For extra texture, fold in chopped nuts or white chocolate chips. Serve fresh for the best chewy-crispy contrast.

  • Prep Time: 10 minutes
  • Cook Time: 12 minutes
  • Category: Dessert, Cookies
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 cookie
  • Calories: 140
  • Sugar: 11g
  • Sodium: 85mg
  • Fat: 6g
  • Saturated Fat: 3g
  • Unsaturated Fat: 2g
  • Trans Fat: 0g
  • Carbohydrates: 18g
  • Fiber: 1g
  • Protein: 2g
  • Cholesterol: 15mg

Keywords: marshmallow cookies, crispy marshmallow cookies, chewy marshmallow cookies, rice cereal cookies, soft cookies, holiday cookies