Ingredients

The following ingredients have 10 Servings
  • ¾ cup (170g) unsalted butter, softened
  • ¾ cup (165g) packed light brown sugar
  • ¼ cup + 2 tablespoons (60g) granulated sugar
  • 1 large egg
  • 1 large egg yolk
  • 1 tablespoon (15ml) pure vanilla extract
  • 1 ¾ cups + 2 tablespoons (254g) all-purpose flour
  • ¾ teaspoon salt
  • ¼ + 1/8 teaspoon baking soda
  • 1 cup (180g) chocolate chips
  • 6 ounces dark chocolate, melted
  • ¾ cup (170g) unsalted butter, melted
  • 1 ½ cups (285g) granulated sugar
  • 3 large eggs
  • 1 large egg yolk
  • 1 tablespoon (15ml) pure vanilla extract
  • ¾ cup (105g) all-purpose flour
  • ¾ cup (84g) cocoa powder, sifted
  • 1 teaspoon salt
  • ¾ teaspoon baking powder

Instruction

  • Preheat the oven to 350°F. Grease a 9×13-inch pan and line the bottom and sides with parchment paper. Allow the butter to soften for at least 20 minutes.