Whoa, this chocolate Mississippi Mud Cake recipe is off-the-hook amazing, rich, decadent and delicious! Some folks call it a rocky road cake and sure, you can call it what you like. Everyone in our test kitchen called it awesome! Rich and chocolate goodness! If anyone is craving chocolate cake, this one is right up their alley because it’s not only full of chocolate flavor, but also loaded with everything you would love about rocky road flavors.
Video of our amazing Mississippi Mud Cake aka Rocky Road Cake!
Perfect for Birthday parties, gatherings, game day or anytime you want to contribute a delicious chocolate dessert, this Mississippi mud cake is it! Because this cake is rich and satisfying, you don’t need to make a double or triple batch unless you are feeding a ton of folks.
Just cut the cake into small bite sized pieces and everyone can grab a little bite. If they want more, they can grab a second or third piece. But this cake goes a long way and probably two pieces is plenty! One thing we love pairing with this cake is a nice cold glass of milk. Yup! Milk and Mississippi mud cake go perfect together.
And by the way, if you happen to have any extras left over, then try a small piece for breakfast with your coffee. It’s for real folks! This cake and coffee are another great pairing. So it’s a cake that’s good for morning, noon and night.
Want more Chocolate goodness? Try our Million Dollar Bars Recipe here!
Mississippi Mud Cake - aka Rocky Road Cake
Yield: Makes one 9"x13" Cake
Total Time: 1 hour
Our recipe has a homemade cake recipe included in it. But you can also use your favorite boxed chocolate cake mix and it will turn out marvelous! Just bake your cake and then follow the instructions for the toppings and you have a quicker version of this popular cake that some people like to call, Rocky Road Cake!
For the CAKE
- 1 cup (2 sticks or 225g) butter, melted
- 1/2 cup (120ml or 45g) cocoa powder
- 1 1/2 cups (360ml or 300g) sugar
- 4 large eggs, slightly beaten
- 1 teaspoon (5ml) vanilla extract
- 1 1/2 cups (360ml or 190g) all-purpose flour
- 1/2 teaspoon salt
- 2 cups (480ml) chopped roasted pecans, walnuts or your favorite nuts
- 10 ounces (about 4 cups or 283g) mini marshmallows
- extra chopped nuts for topping (optional)
- flakey sea salt, for topping (optional)
- 1 lb. (3 3/4 cups or 455g) powdered sugar, sifted
- 1/2 cup (120ml) milk
- 1/2 teaspoon (3m) vanilla
- 1/3 cup (80ml) cocoa powder
- 1/4 cup (60g) softened butter
- additional milk (optional, for thinning out the frosting)
- Preheat oven to 350°F. Grease 9x13 inch baking pan with butter or non-stick cooking spray
- Make the cake: In a large mixing bowl whisk together the melted butter and 1/2 cup of cocoa powder until well combined. Mix in sugar, eggs and vanilla until blended. Stir in flour and salt.
- Stir in the nuts. Pour the batter into prepared pan. Bake for 35 minutes or a toothpick comes out clean.
- While the cake bakes, make the chocolate topping. Beat together the powdered sugar, milk, vanilla, 1/3 cup cocoa powder, and softened butter until smooth. Set aside.
- Remove the cake from oven and sprinkle with marshmallows. Return to the oven and bake for 3 minutes. The marshmallows will soften and begin to melt.
- Directly after removing cake with marshmallows from oven, dollop the chocolate topping in small mounds over the cake. Gently swirl together the softened marshmallows and chocolate topping. Sprinkle with optional additional nuts and flakey salt. Allow to cool completely then serve. Enjoy!