Brownie Surprise Cookies Recipe

Decadent brownie cookies with gooey marshmallow centers and creamy frosting! This recipe, inspired by a classic Land O'Lakes find, gets a delicious upgrade with added ingredients for an unforgettable treat. Get ready for a delightful surprise in every bite!

Prep Time 20 mins
Cook Time 70 mins
Calories 166.5 kcal
Protein 2g
Rating Be the first
Brownie Surprise Cookies 34

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Brownie Surprise Cookies

  • 1 cup granulated sugar
  • 1 cup (2 sticks) softened margarine
  • 1 large egg
  • 1 teaspoon vanilla extract
  • Flour
  • Unsweetened Cocoa
  • Milk, as needed for frosting consistency
  • Baking Soda
  • Salt
  • Mini marshmallows (approximately 1 inch diameter), enough for one per cookie
  • Frosting
  • Powdered Sugar
  • Chocolate Frosting

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How to Make Brownie Surprise Cookies

  1. Preheat oven to 350°F (175°C).
  2. In a large bowl, cream together 1 cup (2 sticks) of softened margarine and 1 cup granulated sugar until light and fluffy.
  3. Beat in 1 large egg and 1 teaspoon of vanilla extract until well combined.
  4. In a separate bowl, whisk together 1 ¾ cups all-purpose flour, ½ cup unsweetened cocoa powder, ½ teaspoon baking powder, and ¼ teaspoon salt.
  5. Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just combined. Do not overmix.
  6. Stir in 1 cup chocolate chips (or your favorite mix-ins).
  7. Drop rounded tablespoons of cookie dough onto ungreased baking sheets, leaving 2 inches between each cookie.
  8. Bake for 6-7 minutes, or until the edges are set.
  9. Remove from oven and immediately press one mini marshmallow (approximately 1 inch diameter) onto the center of each cookie.
  10. Return to the oven and bake for another 2-3 minutes, or until the marshmallows are softened and slightly golden.
  11. Remove from oven and let cool on baking sheets for 1 minute before transferring to a wire rack to cool completely.
  12. While cookies cool, prepare the frosting: In a small bowl, beat together ½ cup (1 stick) softened butter, 3 cups powdered sugar, 2 tablespoons unsweetened cocoa powder, and 1 teaspoon vanilla extract until smooth.
  13. Gradually add milk, 1 tablespoon at a time, until you reach your desired frosting consistency.
  14. Once cookies are completely cool, frost each cookie, covering the marshmallow completely.
  15. Optional: Before frosting, spread a thin layer of peanut butter, caramel, or seedless raspberry jelly over the marshmallow for an extra flavor burst!

Nutrition Information (Approximate per serving)

Sodium

4 g

Sugar

94g

Fat

7g

Carbs

10g

Frequently Asked Questions

How long does it take to make Brownie Surprise Cookies?

Brownie Surprise Cookies takes about 90 minutes from start to finish — roughly 20 minutes to prepare and 70 minutes to cook.

How many calories are in Brownie Surprise Cookies?

Brownie Surprise Cookies has approximately 166.5 calories per serving, with about 2 g protein, 10 g carbohydrates and 7 g fat.

What ingredients do I need for Brownie Surprise Cookies?

The key ingredients for Brownie Surprise Cookies are Sugar, Margarine, Egg, Vanilla, Flour, Unsweetened Cocoa. See the full list with measurements above.

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