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Easy Nutella Brownies with Nutella Buttercream

These Easy Nutella Brownies with Nutella Buttercream are remarkable and simple! Ultra fudgy, rich, and insanely decadent brownies, swirled with Nutella, and then topped with Nutella frosting. They're ultra-concentrated with chocolate and hazelnut, and they're a cinch to whip up.
Course Dessert
Prep Time 20 minutes
Cook Time 45 minutes
Total Time 1 hour 5 minutes
Servings 25 brownies
Author Sarah @ The Gold Lining Girl

Ingredients

For Nutella Brownies:

  • 1 c. butter melted
  • 2 c. sugar
  • 2 tsp. vanilla
  • 1/4 tsp. salt
  • 4 eggs
  • 1 1/4 c. cocoa powder
  • 1/2 c. flour
  • 1/2 c. Nutella

For Nutella Buttercream:

  • 1 c. unsalted butter softened
  • 1 c. Nutella
  • 2 tsp. vanilla
  • about 4 c. powdered sugar
  • 1 - 2 tbsp. cream

Instructions

For Nutella Brownies:

  • In a large bowl, whisk together melted butter, sugar, vanilla, and salt.
  • Add the eggs, one at a time, whisking well after each addition.
  • Stir in the cocoa powder and flour, mixing until just blended.
  • Line a 9-inch pan with foil, hanging it over the edges.
  • Spread batter evenly into the pan.
  • In a small microwave-safe bowl, heat the Nutella until thin and melted, about 30-45 seconds.
  • Drizzle it evenly over the brownie batter, and use a knife to lightly swirl.
  • Bake at 350 degrees for 40-45 minutes, or until a toothpick inserted near the center comes out mostly clean, with a few moist crumbs.

For Nutella Buttercream:

  • In a large mixing bowl, beat butter until creamy.
  • Add Nutella, vanilla, and powdered sugar, beating until light and fluffy, 2-3 minutes.
  • The frosting should be thick, but fluffy and pipeable. You can add a tablespoon or two of cream to adjust the consistency, if needed.
  • Frost the brownies. Cut and serve.