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Chocolate Brownie Layer Cake with Nuts

A decadent chocolate brownie layer cake made with rich, fudgy brownie layers, filled and topped with creamy chocolate frosting and crunchy toasted nuts. Perfect for chocolate lovers.

Ingredients

Scale
  • 1 cup unsalted butter
  • 8 oz semi-sweet chocolate, chopped
  • 1 1/2 cups granulated sugar
  • 1/2 cup brown sugar
  • 4 large eggs
  • 2 teaspoons vanilla extract
  • 1 cup all-purpose flour
  • 1/2 cup unsweetened cocoa powder
  • 1/2 teaspoon salt
  • 1 cup chopped walnuts or pecans (plus more for topping)
  • 1 cup unsalted butter (for frosting)
  • 2 1/2 cups powdered sugar (for frosting)
  • 3/4 cup unsweetened cocoa powder (for frosting)
  • 1/4 cup milk (plus more as needed for frosting)
  • 1 teaspoon vanilla extract (for frosting)

Instructions

  1. Preheat oven to 350°F (175°C). Grease and line two 8-inch round cake pans with parchment paper.
  2. Melt butter and chocolate together in a saucepan over low heat, stirring until smooth. Let cool slightly.
  3. Whisk in granulated sugar, brown sugar, eggs, and vanilla extract until well combined.
  4. In a separate bowl, sift together flour, cocoa powder, and salt.
  5. Stir dry ingredients into the wet mixture until just combined. Fold in chopped nuts.
  6. Divide batter evenly between the prepared pans and smooth the tops.
  7. Bake for 25–30 minutes or until a toothpick inserted in the center comes out with moist crumbs.
  8. Let cool in pans for 10 minutes, then transfer to a wire rack to cool completely.
  9. For the frosting, beat butter until creamy. Add powdered sugar, cocoa powder, vanilla, and milk, and beat until smooth and fluffy. Add more milk if needed for spreadable consistency.
  10. Frost the top of one brownie layer, stack the second on top, and frost the top and sides. Sprinkle with extra chopped nuts.

Notes

  • Don’t overbake to maintain the fudgy texture.
  • Use high-quality chocolate for the best flavor.
  • Chill the cake slightly before slicing for cleaner cuts.

Nutrition

Keywords: chocolate brownie cake, brownie layer cake, chocolate nut cake, fudgy chocolate cake