Mississippi Mud Cake Brownies are a deliciously decadent dessert that combines the rich flavors of chocolate, nuts, and marshmallows into one irresistible treat. Perfect for any occasion, this classic Southern recipe is sure to impress family and friends with its gooey layers and unique texture.
Ingredients
- 1 cup butter
- 2 cups granulated sugar
- 4 large eggs
- 1 teaspoon vanilla extract
- 1/3 cup unsweetened cocoa powder
- 1 1/2 cups all-purpose flour
- 1/4 teaspoon salt
- 1 cup chopped pecans
- 4 cups mini marshmallows
- 1/2 cup butter (for frosting)
- 1/3 cup unsweetened cocoa powder (for frosting)
- 1/3 cup milk
- 1 teaspoon vanilla extract (for frosting)
- 3 1/2 cups powdered sugar

Instructions
- Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish.
- In a large bowl, melt 1 cup butter. Stir in granulated sugar, eggs, and 1 teaspoon vanilla extract until well combined. Add 1/3 cup cocoa powder, flour, and salt, mixing until smooth. Fold in pecans.
- Pour the batter into the prepared baking dish and bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean.
- Remove the brownies from the oven and immediately sprinkle the mini marshmallows evenly over the top. Return to the oven for 5 minutes, or until the marshmallows are puffed.
- While the brownies are baking, make the frosting: Melt 1/2 cup butter in a medium saucepan. Stir in 1/3 cup cocoa powder and milk until smooth. Remove from heat and stir in 1 teaspoon vanilla extract. Gradually add powdered sugar, stirring until smooth and well combined.
- Remove the brownies from the oven and pour the warm frosting evenly over the marshmallows. Spread with a spatula if needed.
- Let the brownies cool completely before cutting into squares.
Variation
- For a nut-free version, omit the chopped pecans.
- Add a layer of caramel sauce between the marshmallows and frosting for extra indulgence.
- Top with a sprinkle of sea salt for a sweet and salty flavor.
Cooking Notes
- Ensure the marshmallows are distributed evenly to cover the entire surface.
- The frosting should be kept warm and stirred until smooth to avoid clumping.
- Use room temperature ingredients for best mixing results.
Serving Suggestions
- Serve with a scoop of vanilla ice cream for an extra delicious dessert.
- Garnish with fresh strawberries for a fruity touch.
- Pair with a hot cup of coffee or cold milk.
Tips
- Avoid overbaking the brownies, as they will continue to cook slightly in the pan.
- Use a glass or light-colored metal pan to ensure even baking.
- Let the brownies cool completely before cutting for neat squares.
Prep Time
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
Nutritional Information (Per Serving)
- Calories: 320 kcal
- Protein: 3g
- Sodium: 190mg
Frequently Asked Questions
- Can I freeze these brownies?
Yes, freeze them in an airtight container for up to 3 months. - How do I store leftovers?
Keep them in an airtight container at room temperature for up to 3 days. - Can I use large marshmallows instead of mini marshmallows?
Mini marshmallows work best for even coverage. - Is there a gluten-free version?
Substitute with gluten-free all-purpose flour for a gluten-free option.
Conclusion
Mississippi Mud Cake Brownies are a decadent treat that beautifully blends chocolate, nuts, and marshmallows into each bite. These gooey, chocolatey squares offer a delightful combination of textures and flavors, making them a favorite for any dessert table. Perfect for parties, gatherings, or just a sweet indulgence at home, this recipe is sure to become a family tradition. Enjoy the rich, fudgy layers and don’t forget to share this indulgent pleasure with your loved ones.
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Mississippi Mud Cake Brownies
- Total Time: 50 minutes
- Yield: 24 servings 1x
- Diet: Vegetarian
Description
Mississippi Mud Cake Brownies are a deliciously decadent dessert that combines the rich flavors of chocolate, nuts, and marshmallows into one irresistible treat. Perfect for any occasion, this classic Southern recipe is sure to impress family and friends with its gooey layers and unique texture.
Ingredients
- 1 cup butter
- 2 cups granulated sugar
- 4 large eggs
- 1 teaspoon vanilla extract
- 1/3 cup unsweetened cocoa powder
- 1 1/2 cups all-purpose flour
- 1/4 teaspoon salt
- 1 cup chopped pecans
- 4 cups mini marshmallows
- 1/2 cup butter (for frosting)
- 1/3 cup unsweetened cocoa powder (for frosting)
- 1/3 cup milk
- 1 teaspoon vanilla extract (for frosting)
- 3 1/2 cups powdered sugar
Instructions
- Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish.
- In a large bowl, melt 1 cup butter. Stir in granulated sugar, eggs, and 1 teaspoon vanilla extract until well combined. Add 1/3 cup cocoa powder, flour, and salt, mixing until smooth. Fold in pecans.
- Pour the batter into the prepared baking dish and bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean.
- Remove the brownies from the oven and immediately sprinkle the mini marshmallows evenly over the top. Return to the oven for 5 minutes, or until the marshmallows are puffed.
- While the brownies are baking, make the frosting: Melt 1/2 cup butter in a medium saucepan. Stir in 1/3 cup cocoa powder and milk until smooth. Remove from heat and stir in 1 teaspoon vanilla extract. Gradually add powdered sugar, stirring until smooth and well combined.
- Remove the brownies from the oven and pour the warm frosting evenly over the marshmallows. Spread with a spatula if needed.
- Let the brownies cool completely before cutting into squares.
Notes
- Make sure to spread the frosting evenly while it’s warm for the best results.
- Chopped walnuts can be used instead of pecans if desired.
- For a richer flavor, you can use dark chocolate cocoa powder.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 brownie
- Calories: 320 kcal
- Sugar: 42g
- Sodium: 190mg
- Fat: 16g
- Saturated Fat: 8g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 45g
- Fiber: 2g
- Protein: 3g
- Cholesterol: 55mg
Keywords: Mississippi Mud Cake, Brownies, Chocolate, Dessert