Mississippi Mud Sheet Cake Recipe

Indulge in the decadent richness of our Mississippi Mud Sheet Cake! This gooey, chocolatey masterpiece is topped with a luscious chocolate glaze and a generous layer of marshmallows. Customize it with pecans or walnuts for an extra crunch. Easy to make and even easier to devour, this recipe is perfect for satisfying any chocolate craving. Prepare to be amazed!

Prep Time 20 mins
Cook Time 42 mins
Calories 611.9 kcal
Protein 14g
Rating Be the first
Mississippi Mud Sheet Cake 42

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Mississippi Mud Sheet Cake

  • 1 cup (2 sticks) unsalted butter, melted
  • 2 cups granulated sugar
  • Unsweetened Baking Cocoa
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • a pinch of baking powder
  • Salt
  • All Purpose Flour
  • 1 cup chopped walnuts (or pecans)
  • Mini Marshmallows
  • Powdered Sugar
  • Half And Half Cream

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How to Make Mississippi Mud Sheet Cake

  1. Preheat oven to 350°F (175°C).
  2. Grease and flour a 15 x 10-inch jellyroll pan.
  3. In a large bowl, whisk together 1 cup (2 sticks) melted unsalted butter, 2 cups granulated sugar, ½ cup unsweetened baking cocoa, 2 large eggs, 1 teaspoon vanilla extract, and a pinch of baking powder until well combined.
  4. Gradually stir in 2 cups all-purpose flour until just combined. Be careful not to overmix.
  5. Stir in 1 cup chopped walnuts (or pecans).
  6. Pour batter into the prepared pan and spread evenly.
  7. Bake for 20-22 minutes, or until a wooden skewer inserted into the center comes out clean.
  8. While the cake is baking, prepare the chocolate glaze (recipe below).
  9. Remove the cake from the oven and immediately and evenly sprinkle 1 cup mini marshmallows over the hot cake.
  10. Return to the oven and bake for an additional 5 minutes.
  11. Optionally, sprinkle ½ cup chopped nuts over the top of the cake.
  12. Drizzle the warm chocolate glaze generously over the cake.
  13. Let the cake cool completely before cutting and serving.

Nutrition Information (Approximate per serving)

Sodium

7 g

Sugar

274g

Fat

60g

Carbs

29g

Frequently Asked Questions

How long does it take to make Mississippi Mud Sheet Cake?

Mississippi Mud Sheet Cake takes about 62 minutes from start to finish — roughly 20 minutes to prepare and 42 minutes to cook.

How many calories are in Mississippi Mud Sheet Cake?

Mississippi Mud Sheet Cake has approximately 611.9 calories per serving, with about 14 g protein, 29 g carbohydrates and 44 g fat.

What ingredients do I need for Mississippi Mud Sheet Cake?

The key ingredients for Mississippi Mud Sheet Cake are Butter, Sugar, Unsweetened Baking Cocoa, Eggs, Vanilla, Baking Powder. See the full list with measurements above.

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