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Easy Mississippi Mud Brownies Recipe

Fluffy marshmallows, and chocolate frosting—who knew mud could be so delicious? Try these easy Mississippi Mud Brownies today.. I can’t resist chocolate and marshmallows together, so these brownies are right up my alley. Decadent, moist and oh so chocolatey..

Mississippi Mud Brownies


For the brownies:
  •     1/3 cup unsweetened cocoa powder
  •     1/2 cup oil (vegetable or canola oil)
  •     1/2 cup butter , softened
  •     2 cups granulated sugar
  •     4 large eggs
  •     2 teaspoons vanilla extract
  •     1 1/2 cups all-purpose flour
  •     1 teaspoon salt
  •     3 cups mini marshmallows

For the frosting:

  •     1/2 cup melted butter
  •     1/3 cup unsweetened cocoa powder
  •     1/3 cup evaporated milk
  •     1 teaspoon vanilla extract
  •     3 - 3 1/2 cups powdered sugar


    Preheat oven to 350 degrees F. Grease a 9x13'' pan with non-stick cooking spray.

    In a large mixing bowl, pour oil over cocoa powder and mix. Add softened butter and mix until smooth. Add sugar and mix for 1 minute.

    Add eggs, one at a time, mixing after each addition. Add vanilla and mix. Add flour and salt and stir to combine.

    Pour batter into prepared pan. Bake for 25-30 minutes or until a toothpick inserted into the center comes out clean.
    Remove brownies from the oven and sprinkle the marshmallows evenly on top. Return to the oven for 2-3 minutes or until the marshmallows are puffed. Remove from oven and allow them to cool completely.
    Once brownies are cool, make the frosting.

For the frosting:

    Add melted butter, cocoa powdered, evaporated milk, vanilla, and 2 cups of powdered sugar to a mixing bowl and beat with electric beaters until smooth.

    Add more powdered sugar, a cup at a time, mixing well, until you reach your desired frosting consistency. I usually use about 3 1/4 cups powdered sugar.
    Spread frosting over the cooled brownies and cut into squares. I've found a plastic knife works best to cut them, or if you make them 1 day in advance they are much easier to cut.

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