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Mississippi Mud Cake

Mississippi mud cake

Mississippi Mud Cake is literally the best cake you could ever eat. Historically, it's a cake that's been around forever.
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Course: Dessert
Cuisine: American
Prep Time: 20 minutes
Cook Time: 45 minutes
Servings: 8 slices
Calories: 888kcal
Author: Wendy


  • 1 cup unsalted butter
  • ½ cup cocoa powder
  • 2 cups granulated sugar
  • 4 large eggs
  • 1 ½ cup all purpose flour
  • ½ teaspoon kosher salt
  • 1 cup chopped walnuts
  • 1 teaspoon vanilla extract
  • 2 cups mini marshmallows or large marshmallows cut into quarters
  • 1 can chocolate frosting


  • Preheat oven to 350 degrees and spray a 9x13 baking dish with pam baking spray
  • Using a medium heatproof bowl, melt the butter and cocoa powder together in increments of 45 seconds until completely melted
  • Using a large bowl, whisk together the sugar, vanilla and eggs until combined
  • Gradually whisk in the chocolate butter mixture until combined
  • In a medium bowl, whisk together flour, salt and gradually whisk into the wet ingredients
  • Fold in the chopped walnuts
  • Pour the batter into the baking dish
  • Bake in the oven for 35-45 minutes or until toothpick comes out clean
  • As soon as the cake comes out of the oven top with the marshmallows
  • Place back into the oven for 4 minutes so that the marshmallow starts
    to slightly melt
  • Place the cake onto the counter
  • Remove the foil from the chocolate frosting and place container into the microwave for 45 seconds to melt the frosting
  • Pour the frosting over the marshmallows and smooth evenly
  • Allow the frosting to set for about an hour before serving!


If you do not have mini marshmallows, you can score large marshmallows into quarters. 


Serving: 1slice | Calories: 888kcal | Carbohydrates: 119g | Protein: 10g | Fat: 46g | Saturated Fat: 20g | Cholesterol: 143mg | Sodium: 296mg | Potassium: 320mg | Fiber: 4g | Sugar: 90g | Vitamin A: 828IU | Vitamin C: 1mg | Calcium: 48mg | Iron: 3mg