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Ingredients

  • 1 cup 170 grams semisweet chocolate chips
  • 1 1/2 sticks 170 grams unsalted butter, cut into pieces
  • 4 ounces 113 grams unsweetened chocolate, chopped
  • 1 1/4 cups 245 grams granulated sugar
  • 1/2 cup 150 grams Nutella
  • 3 large eggs plus 1 egg yolk
  • 1 teaspoon vanilla extract
  • 3/4 cup 96 grams all-purpose flour
  • 1/4 cup unsweetened 25 grams cocoa powder
  • 1/4 teaspoon fine sea salt
  • 1/3 cup chopped hazelnuts

Instructions

Directions

  • Preheat the oven to 350°F. Line an 8x8-inch *metal* baking pan with foil or parchment, leaving an overhang, and spray with nonstick cooking spray.
  • In a large microwave-safe bowl, combine the chocolate chips, butter, and unsweetened chocolate. Heat in the microwave for 1 minute then stir. Continue heating in 30-second bursts, stirring between each burst, until the mixture is melted and smooth but not scorched. Remove from the microwave and let cool slightly. Stir in the Nutella.