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Chocolate Overload Cake

This rich and fudgy Chocolate Overload Cake is the ultimate chocolate lover’s treat. It’s made with chocolate fudge, stuffed with a fluffy cocoa filling and topped with chocolate chips!

A Chocolate Overload Loaf Cake Topped with Chocolate Fluff Frosting and Chocolate Chips

Chocolate Overload Cake

I have been on a chocolate kick for a little bit now and I think this will be the last overtly chocolate recipe I make for a few weeks (probably…maybe?). Anyway made this loaf cake using some leftover batter I had when making a small batch of cupcakes.
Here are the deets:

It’s a Chocolate fudge cake with a chocolate Marshmallow filling topped with chocolate chips. 
Here’s the recipe – remember that I used the leftover batter from making 12 cupcakes, so this full recipe will make 2 loaf cakes or 24 cupcakes.
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A Close-Up Shot of a Piece of Chocolate Overload Cake on a White Surface

Chocolate Overload Cake

  • Author: Shelly
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Total Time: 50 minutes
  • Yield: 24 1x
  • Category: Dessert
  • Method: Oven
  • Cuisine: American


This rich and fudgy Chocolate Overload Cake is the ultimate chocolate lover’s treat. It’s made with chocolate fudge, stuffed with a fluffy cocoa filling and topped with chocolate chips!



For the Cake

  • 12/3 cups flour
  • 1 teaspoon baking soda
  • 1 teaspoon salt
  • 4 ounces unsweetened chocolate
  • 1/2 cup water
  • 1/2 cup butter, softened
  • 13/4 cups sugar
  • 3 eggs
  • 1 teaspoon vanilla
  • 3/4 cup milk
  • 1 cup chocolate fudge sauce – either homemade or the kind you buy to top ice cream…NOT syrup

For the Filling



  1. Preheat the oven to 350ºF
  2. Grease your loaf pan. Combine/sift flour, baking soda and salt…set aside. In the microwave, melt you chocolate with the water…microwave for 45 seconds then stir, continuing at 15 second intervals and stirring until chocolate is melted.
  3. In your mixer, cream the sugar and butter. Add eggs one at a time, then vanilla. Pour melted chocolate in a little at a time and mix. Combine completely.
  4. Add dry ingredients alternately with the milk starting and ending with flour. Lastly, fold in the chocolate fudge sauce. Don’t worry that it won’t be combined completely (that’s what makes the cake really chocolatey).
  5. Pour batter into prepared pan. Bake for approximately 35 minutes, until cake pulls away from the sides of the pan and top of cake is firm to the touch.
  6. Let stand in loaf pan for 5 minutes and then remove from pan.


  1. In microwave-safe bowl, add chocolate chips. In microwave, melt for 30 seconds, stir and continue at 15 second intervals until melted completely.
  2. In another microwave-safe bowl, add marshmallows and milk and microwave for 30 seconds and then stir continuing until marshmallows are melted.
  3. Add the melted chocolate chips to the melted marshmallow mix and combine until chocolate is incorporated.
  4. Using a knife, make a slit length-wise in the cake. Fill in the slit with the marshmallow mix. Then top the cake with reserved chocolate chips. Enjoy!


The filling is enough for 1 loaf cake (if making 2, double the recipe).

Keywords: chocolate overload cake, chocolate fudge cake, homemade chocolate cake

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