Ingredients Jump to Instructions ↓

  1. 1 pound unsalted butter

  2. 1 pound plus 12 ounces semisweet chocolate chips, divided

  3. 6 ounces unsweetened chocolate

  4. 6 extra-large egg s

  5. 3 tablespoons instant coffee powder

  6. 2 tablespoons real vanilla extract

  7. 2 1/4 cups sugar

  8. 1 1/4 cups all-purpose flour , divided (1 cup for batter and 1/4 cup in the chips and nuts)

  9. 1 tablespoon baking powder

  10. 1 teaspoon kosher salt

  11. 3 cups diced walnut pieces

Instructions Jump to Ingredients ↑

  1. Preheat oven to 350 degrees F. Grease and flour a 13 by 18 by 1½-inch sheet pan. Melt together the butter, 1 pound chocolate chips, 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 1 cup of the flour, baking powder and salt. Add to cooled chocolate mixture. Toss the walnuts and 12 ounces of chocolate chips with ¼ cup flour to coat. Then add to the chocolate batter. Pour into prepared pan. Bake for about 30 minutes, or until tester just comes out clean. Halfway through the baking, rap the pan against the oven shelf to allow air to escape from between the pan and the brownie dough. Do not over-bake! Cool thoroughly, refrigerate well and cut into squares.


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