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A large, round m&m Cookie Cake topped with swirls of chocolate frosting and colorful M&M candies sits on a white plate. Scattered M&Ms decorate the table around it, making the image bright and inviting.
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5 from 5 votes

M&M Cookie Cake

Amazing and easy to make, you will love this m&m Cookie Cake recipe. Perfect for any celebration or gathering.
Prep Time10 minutes
Cook Time20 minutes
Cooling Time10 minutes
Total Time40 minutes
Course: Dessert
Cuisine: American
Servings: 8
Author: Carrie Barnard
Cost: $9.17, $1.15 per Serving

Ingredients

For the Cookie Cake:

  • ½ cup butter softened
  • ½ cup packed brown sugar
  • ¼ cup Granulated Sugar
  • 2 Large Eggs
  • 1 tsp vanilla
  • 1 ½ cups all purpose flour
  • ½ tsp baking soda
  • ½ tsp salt
  • 2 cups M&Ms

For the Frosting:

  • 1 ½ cups Powdered Sugar
  • 3 Tablespoons Cocoa Powder
  • ¼ cup Unsalted Butter softened
  • 1 teaspoon Vanilla Extract
  • 2 Tablespoons Milk

Instructions

For the Cookie Cake:

  • Preheat the oven to 350 degrees F. Spray a 9 inch round cake pan with a non-stick baking spray.
  • In a large mixing bowl, beat together softened butter, packed brown sugar and granulated sugar until light and creamy.
  • Beat in large eggs and vanilla extract until fully combined.
  • Add all-purpose flour, baking soda and salt. Mix just until combined.
  • Fold in 1 cup of the M&M's.
  • Press the cookie dough evenly into the prepared cake pan.
  • Sprinkle the remaining 1 cup M&M's over the top and gently press them into the dough.
  • Bake for 20 to 25 minutes, or until the edges are lightly golden and the center is just set. Be careful not to overbake, as the cookie cake will continue cooking while it cools.
  • Allow the cookie cake to cool completely in the pan before frosting.

For the Frosting:

  • In a medium mixing bowl, beat together softened unsalted butter and cocoa powder until smooth.
  • Gradually mix in powdered sugar.
  • Add vanilla extract.
  • Slowly mix in milk until the frosting is smooth and creamy.
  • Transfer the frosting to a piping bag fitted with a star tip and pipe it around the edge of the cooled cookie cake.
  • Top with additional M&M's, if desired.
  • Slice into 8 servings and enjoy!

Notes

This cake can be made in a 9 inch pie pan as well. 
Make sure not to over mix the cookie dough or the cookie cake will be tough.  
Store the leftovers covered at room temperature for up to 4 days.

Nutrition

Calories: 600kcal | Carbohydrates: 98g | Protein: 7g | Fat: 31g | Saturated Fat: 19g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 1g | Cholesterol: 95mg | Sodium: 408mg | Potassium: 99mg | Fiber: 3g | Sugar: 53g | Vitamin A: 714IU | Vitamin C: 0.3mg | Calcium: 94mg | Iron: 2mg
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