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Brownie cake with chocolate frosting
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4.33 from 105 votes

Brownie Cake

Brownie cake is one of the easiest recipes to make and only requires a few ingredients.
Prep Time15 minutes
Cook Time55 minutes
Additional Time20 minutes
Total Time1 hour 30 minutes
Course: Cake
Cuisine: American
Servings: 24 pieces
Calories: 338kcal
Author: Julie Pollitt

Ingredients

Cake

  • 1 - 15.25 oz. box chocolate cake mix
  • 1 - 18 oz. box brownie mix
  • 1-1/4 cups water
  • 1 cup vegetable oil
  • 4 eggs

Chocolate icing

  • 1-1/4 cups powdered sugar
  • 3 Tbsp. unsweetened cocoa powder
  • 2 Tbsp. melted butter
  • 2 Tablespoons heavy cream or warm water
  • 1-1/2 tsp. vanilla extract

Instructions

Brownie Cake

  • Preheat the oven to 350-degrees and grease a bundt cake pan.
  • Start by adding the box cake and brownie mixes to a large bowl.
  • Add the vegetable oil, water, and eggs and mix well with an electric mixer on medium speed.
  • Pour batter into the prepared pan and bake for approximately 55 minutes, or until a cake tester comes out clean.

Chocolate Icing

  • Add the powdered sugar and unsweetened cocoa to a medium-sized bowl.
  • Next, add the melted butter, vanilla extract, and water, and mix until well blended.
  • Pour over the cooled cake.

Video

Notes

TIP: Start by adding two tablespoons of heavy cream to the icing. If the icing is too thick, add more heavy cream to thin the recipe.
You can use warm water instead of heavy cream, if desired.

Nutrition

Serving: 1 | Calories: 338kcal | Carbohydrates: 50g | Protein: 3g | Fat: 16g | Saturated Fat: 2g | Polyunsaturated Fat: 12g | Cholesterol: 34mg | Sodium: 225mg | Fiber: 1g | Sugar: 25g