Mississippi Mud Cake (with cake mix)

Very close up of one piece of cake so the layers are visible.

5 from 1 vote

This easy Mississippi Mud Cake starts with a boxed chocolate cake mix and is topped with gooey mini marshmallows and rich chocolate icing. It's an old-fashioned Southern dessert that's perfect for potlucks, holidays, and family gatherings.

Prep Time10

Cook Time28

Cooling Time1

Total Time1 38

Course: Dessert

Cuisine: American

Keyword: chocolate cake, mississippi mud cake

Servings: servings

Calories: 392kcal

Author: Mindy Boyd

Ingredients

Cake

1 chocolate cake mix
4 eggs
1 cup milk
½ cup butter melted and cooled
1 bag mini marshmallows 10 ounces
non-stick cooking spray

Icing

3 cups powdered sugar
3 tablespoons cocoa powder
½ cup melted butter
5 tablespoons milk
1 teaspoon vanilla

Instructions

Preheat oven to 350° and coat a 9" X 13" pan with nonstick cooking spray.
non-stick cooking spray
In a large bowl, mix the cake mix, eggs, milk, and melted butter with a whisk or large spoon.
1 chocolate cake mix, 4 eggs, 1 cup milk, ½ cup butter
Pour the batter into the prepared pan and bake for 28-33 minutes, or until a toothpick inserted into the center comes out clean.
Sprinkle the marshmallows over the hot cake in an even layer. Return to the oven and bake until the marshmallows just begin to brown, about 3-5 minutes. Watch them closely so they don't burn.
1 bag mini marshmallows
Let cool completely.
Melt the butter. Add it and the remaining frosting ingredients to a large bowl and whisk until smooth.
3 cups powdered sugar, 3 tablespoons cocoa powder, ½ cup melted butter, 5 tablespoons milk, 1 teaspoon vanilla
Pour the warm icing over the marshmallows and spread into an even layer with a spatula or the back of a large spoon. Cool completely so the icing can set before cutting and serving.

Video

Notes

Nutritional information is approximate.

Nutrition