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Ultimate Mississippi Mud Cake

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  • Author: Emily
  • Prep Time: 23 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 hour 43 minutes
  • Yield: 12 servings 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

A rich and indulgent Southern classic, Mississippi Mud Cake features a moist chocolate cake base topped with gooey marshmallow creme and a luscious chocolate ganache. Finished with crunchy toasted pecans, it’s the ultimate dessert for chocolate lovers. #MississippiMudCake #SouthernDessert #ChocolateCake #ComfortFood


Ingredients

Scale
  • 1 cup (227g) unsalted butter, cold
  • 1/3 cup (28g) Dutch-process cocoa
  • 1 cup (227g) hot water
  • 2 cups (240g) all-purpose flour
  • 2 cups (397g) granulated sugar
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 teaspoon espresso powder (optional)
  • 1/2 cup (113g) sour cream, at room temperature
  • 2 large eggs, at room temperature
  • 1 teaspoon vanilla extract
  • 2 cups (246g) marshmallow creme
  • 1 cup (170g) semisweet chocolate chips or chopped chocolate
  • 1/2 cup (113g) heavy cream
  • 1 cup (113g) toasted pecans, chopped
  • 1 cup (85g) toasted coconut (optional)


Instructions

  1. Preheat oven to 350°F (175°C). Grease and flour a 9×13-inch baking pan.
  2. In a saucepan, melt butter. Stir in cocoa and hot water until smooth.
  3. In a large bowl, combine flour, sugar, baking soda, salt, and espresso powder.
  4. Pour cocoa mixture over dry ingredients and stir to blend.
  5. Add sour cream, eggs, and vanilla extract. Beat until nearly smooth.
  6. Pour batter into prepared pan and bake for 30–45 minutes, or until a toothpick inserted in the center comes out clean.
  7. Remove cake from oven and let cool for 1 minute. Spread marshmallow creme evenly over warm cake.
  8. Allow cake to cool to lukewarm, about 1 hour.
  9. For the topping, heat chocolate and cream in a microwave-safe bowl for 60–90 seconds until cream is hot. Stir until smooth.
  10. Drizzle chocolate ganache over marshmallow layer and sprinkle with pecans and optional coconut.
  11. Let cool completely before serving.

Notes

  • Store covered at room temperature for up to 4 days.
  • Refrigerate for longer shelf life, up to 1 week.
  • Freeze for up to 3 months; thaw in fridge before serving.
  • Coconut and pecans are optional but add great texture and flavor.

Nutrition

  • Serving Size: 1 slice
  • Calories: 751 kcal
  • Sugar: 48g
  • Sodium: 270mg
  • Fat: 24g
  • Saturated Fat: 10g
  • Unsaturated Fat: 9g
  • Trans Fat: 0g
  • Carbohydrates: 61g
  • Fiber: 2g
  • Protein: 4g
  • Cholesterol: 80mg