Name: Mississippi Mud Cake
Prep time: 20 min
Cook time: 35 min
Total time: 55 min
Ingredients: 1 ½ cups all-purpose flour; 2 cups granulated sugar; ½ cup unsweetened cocoa powder; 1 tsp baking powder; ½ tsp salt; 1 cup unsalted butter; ½ cup water; ½ cup buttermilk; 2 large eggs; 1 tsp vanilla extract; 2 cups mini marshmallows; 1 cup chopped pecans (optional)

Mississippi Mud Cake: A Decadent Chocolate Dream That Will Make Your Taste Buds Dance 🍫✨💖

1. Introduction to Mississippi Mud Cake

If you’re searching for the ultimate chocolate dessert that combines rich flavors with irresistible textures, look no further than this classic Mississippi Mud Cake recipe. This Southern specialty has been winning hearts for generations with its perfect balance of moist chocolate cake, gooey marshmallow filling, and velvety chocolate frosting. Whether you’re planning a special occasion or just craving something indulgent, this decadent dessert is guaranteed to satisfy your sweet tooth.

Decadent Mississippi Mud Cake with marshmallow and chocolate frosting, ready to serve.

2. Ingredients for the Perfect Mississippi Mud Cake

Gathering the right ingredients is the first step to creating this masterpiece. Here’s what you’ll need for this baking project:

1 ½ cups all-purpose flour (for the perfect cake structure)
2 cups granulated sugar (for that sweet Southern touch)
½ cup high-quality unsweetened cocoa powder (the richer, the better)
1 tsp baking powder (to help the cake rise beautifully)
½ tsp salt (to balance all that sweetness)
1 cup unsalted butter (for richness and moisture)
½ cup water (to help dissolve the cocoa)
½ cup buttermilk (the secret to tender crumb)
2 large eggs (at room temperature for best results)
1 tsp pure vanilla extract (for depth of flavor)
2 cups mini marshmallows (for that signature gooey layer)
1 cup chopped pecans (optional, but highly recommended for texture)

3. Detailed Step-by-Step Instructions

Step 1: Prepare the Dry Ingredients

Begin by preheating your oven to 350°F (175°C) – this ensures even baking. In a large mixing bowl, thoroughly whisk together the flour, sugar, cocoa powder, baking powder, and salt. This crucial step prevents lumps and guarantees an even distribution of ingredients throughout your Mississippi Mud Cake. For more baking tips and tricks, check out our about page.

Dry ingredients for Mississippi Mud Cake in a mixing bowl ready for preparation.

Step 2: Melt Butter and Cocoa

In a medium saucepan over low-medium heat, melt the butter with water and cocoa powder, stirring constantly until you achieve a smooth, glossy mixture. This process, known as “blooming” the cocoa, intensifies the chocolate flavor in your Mississippi Mud Cake. Be careful not to let it boil – we want it hot but not scorched. For more chocolate inspiration, see our external recipe resource.

Melted butter and cocoa mixture for Mississippi Mud Cake simmering on the stove.

Step 3: Combine Wet and Dry Ingredients

Carefully pour the warm butter-cocoa mixture into the bowl of dry ingredients. Using a wooden spoon or rubber spatula, mix until just combined. Then add the buttermilk, eggs (one at a time), and vanilla extract, stirring until you achieve a smooth, velvety batter. If you’re using pecans, now’s the time to fold them in gently. The batter should be pourable but not too thin – think of it like a thick pancake batter consistency.

Combining dry ingredients with melted butter and cocoa for Mississippi Mud Cake batter.

Step 4: Bake and Add Marshmallows

Pour the luscious batter into a greased 9×13-inch baking pan, smoothing the top with a spatula. Bake in your preheated oven for 30-35 minutes. To test for doneness, insert a toothpick into the center – it should come out with a few moist crumbs but no wet batter. Immediately after removing from the oven, evenly sprinkle the mini marshmallows across the hot cake surface. Return to the oven for just 2-3 minutes until the marshmallows puff up and become soft (but not completely melted). This creates that signature Mississippi Mud Cake texture.

Mississippi Mud Cake batter in a baking pan ready to go into the oven.

4. Making the Perfect Chocolate Frosting

While the cake cools slightly (about 10 minutes), prepare the crowning glory – the chocolate frosting. In a medium saucepan, melt ½ cup butter with ⅓ cup cocoa powder and 6 tablespoons milk over medium heat, stirring constantly. Once the mixture comes to a gentle boil, immediately remove from heat. Gradually whisk in 3 ½ cups powdered sugar and 1 teaspoon vanilla extract until smooth and glossy. The frosting should be pourable but thick enough to coat the back of a spoon. Carefully pour this heavenly mixture over the marshmallow layer, using a spatula to spread it evenly if needed. The warmth of the cake will help the frosting settle into all those marshmallow crevices.

5. Serving Suggestions for Maximum Enjoyment

This Mississippi Mud Cake reaches its peak deliciousness when served slightly warm. For an extra special treat, top each slice with a scoop of premium vanilla ice cream – the contrast between the warm cake and cold ice cream is divine. Alternatively, a dollop of freshly whipped cream adds elegance. If you’re serving it at room temperature, consider pairing it with a cup of strong coffee or cold milk. This cake also makes a fantastic addition to any special event or gathering you might be planning.

6. Storage Tips for Freshness

To keep your Mississippi Mud Cake tasting its best, store it in an airtight container at room temperature for up to 3 days. If your kitchen is particularly warm, you may want to refrigerate it after the first day to prevent the frosting from becoming too soft. For longer storage, wrap individual slices tightly in plastic wrap and freeze for 2-3 months. Thaw at room temperature when ready to enjoy. Pro tip: You can gently reheat individual slices in the microwave for 10-15 seconds to restore that fresh-from-the-oven quality.

7. Delicious Variations to Try

While the classic version is perfection, here are some creative twists on the traditional Mississippi Mud Cake recipe:

Peanut Butter Lover’s Version: Swirl ½ cup peanut butter into the batter before baking, or mix some into the frosting
Turtle Cake Variation: Replace marshmallows with caramel sauce and extra pecans for a turtle-inspired treat
Dark Chocolate Intense: Use dark cocoa powder for a more sophisticated chocolate flavor
Mint Chocolate Delight: Add ½ teaspoon peppermint extract to the frosting
Cookie Crunch: Sprinkle crushed chocolate sandwich cookies on top with the marshmallows

8. Frequently Asked Questions

Can I make Mississippi Mud Cake without marshmallows?
Absolutely! While marshmallows are traditional, you can omit them for a simpler chocolate cake. The frosting will still make it delicious.

What’s the origin of the name “Mississippi Mud Cake”?
The name comes from the cake’s dense, fudgy texture that resembles the thick mud found along the Mississippi River banks. The marshmallow layer represents the foam on the water’s surface!

Can I substitute regular milk for buttermilk?
Yes, you can make a quick buttermilk substitute by adding 1 tablespoon vinegar or lemon juice to ½ cup milk. Let it sit for 5 minutes before using.

Can I make this cake in advance?
Yes! You can bake the cake (without marshmallows and frosting) a day ahead. Add marshmallows and frosting on the day of serving for best texture.

9. Final Thoughts on This Classic Dessert

This Mississippi Mud Cake recipe represents everything wonderful about Southern baking – it’s generous, comforting, and utterly indulgent. The combination of tender chocolate cake, melty marshmallow, and rich frosting creates a dessert experience that’s hard to beat. Whether you’re making it for a cozy family dinner, a potluck gathering, or just because you deserve a treat, this cake delivers every time. One bite will transport you to dessert heaven, and we guarantee it will become a requested favorite in your recipe collection. Happy baking!