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Easy Mississippi Mud Cake Brownies

Mississippi mud cake brownies are topped with gooey marshmallow cream and chocolate frosting that have just the right amount of sweetness.
Course Dessert
Cuisine American
Prep Time 10 minutes
Cook Time 25 minutes
Cooling Time 1 hour
Total Time 1 hour 35 minutes
Servings 20 servings

Ingredients

Batter

  • 1 c. butter, melted 2 sticks
  • ⅓ c. cocoa powder
  • 4 eggs
  • 1½ c. flour
  • 2 c. sugar
  • 2 tsp vanilla
  • 1 pint marshmallow cream

Frosting

  • ½ c. milk
  • ½ c. butter 1 stick
  • ½ c. cocoa powder
  • 1 tsp. vanilla
  • 4-5 c. powdered sugar
  • 1 c. chopped walnuts optional

Instructions

Batter

  • Preheat oven to 350 degrees F. Line at 9x13 pan with tin foil and spray with cooking spray.
  • In a large bowl, combine melted butter, cocoa, eggs, flour, sugar and vanilla. Mix well until no lumps remain.
  • Pour batter in pan and bake for 18-22 minutes, or until a toothpick comes out clean.
  • Remove from oven and spread marshmallow cream on top while hot using a silicone spatula.

Frosting

  • In a medium saucepan, combine milk, butter and cocoa. Whisk together and boil for 1 minute.
  • Remove from heat and add vanilla (and nuts, if desired) and powdered sugar, one cup at a time until you reach your desired consistency.
  • Spread over the top of the marshmallow cream and let set until cool before cutting and serving.