Ingredients

The following ingredients have 4 Servings
  • 1 pound unsalted butter
  • 1 pound semi-sweet chocolate chips, plus 12-ounces (divided)
  • 6 ounces bittersweet chocolate
  • 6 eggs (extra large)
  • 3 tablespoons instant coffee granules
  • 2 tablespoons vanilla extract
  • 2 1/4 cups sugar
  • 1 1/4 cups all-purpose flour (-divided (1 cup for batter and 1 cup in the chips and nuts) )
  • 1 tablespoon baking powder
  • 1 teaspoon salt
  • 3 cups walnuts (chopped)

Instruction

  • Preheat oven to 350°F. Butter and flour a 13 by 18 by 1 1/2-inch sheet pan.
  • Melt together the butter, chocolate chips (1 pound), and unsweetened chocolate on top of a double boiler. Cool slightly. Stir together the eggs, instant coffee, vanilla, and sugar. Stir in the warm chocolate mixture and cool to room temperature.
  • Stir together the flour (1 cup), baking powder, and salt. Add to cooled chocolate mixture.
  • Toss the walnuts and chocolate chips (12 ounces) with flour (1/4 cup) to coat. Then add to the chocolate mixture. Pour into the prepared pan.
  • Bake for about 30 minutes, or until tester just comes out clean. Do not overbake! Cool thoroughly, refrigerate well, and cut into squares.