Marble M&M Blondies

Marble M&M Blondies, vanilla and chocolate combine to make the most insane blondies ever, and the addition of M&M's just take it over the top!
Course Dessert
Cuisine Traditional
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings 15 servings
Calories 242kcal


  • 1/2 cup butter softened
  • 1/2 cup firmly packed light brown sugar
  • 1 large egg
  • 2 teaspoons vanilla extract
  • 2 tablespoons sugar
  • 1 1/2 teaspoons baking soda
  • 1 1/2 cups all-purpose flour
  • 1 cup mini M&Ms divided
  • 4 ounces cream cheese softened
  • 1 large egg yolk
  • 1/4 cup unsweetened cocoa powder


  • Preheat oven to 350 degrees Fahrenheit.
  • Grease a 9×9 inch pan and set aside.
  • In a large bowl, cream the butter and brown sugar; beat in the egg and the vanilla extract.
  • In another bowl, combine flour and baking soda; blend into the creamed mixture.
  • Stir in the M&Ms and set aside.
  • In a separate bowl, beat together the cream cheese, sugar and egg yolk until smooth; stir in cocoa powder until well-blended.
  • Place the chocolate-cheese mixture in little mounds, covering the entire pan.
  • Place the reserved dough around the cheese mixture and swirl the two mixtures slightly with a fork.
  • Pat down the mixture and sprinkle with remaining M&Ms.
  • Bake 25-30 minutes or until a toothpick inserted into the center of the bars comes out clean.
  • Cool completely and cut into bars.
  • Store in refrigerator in covered container.


Calories: 242kcal | Carbohydrates: 29g | Protein: 3g | Fat: 12g | Saturated Fat: 7g | Cholesterol: 50mg | Sodium: 204mg | Potassium: 59mg | Fiber: 1g | Sugar: 17g | Vitamin A: 355IU | Vitamin C: 0.1mg | Calcium: 38mg | Iron: 1.1mg