Outrageous Brownies

INGREDIENTS

• 3 tablespoons instant coffee granules
• 3 cups chopped walnuts
• 1 1/4 cups all-purpose flour
• 6 extra-large eggs
• 6 ounces unsweetened chocolate
• 1 tablespoon baking powder
• 2 tablespoons pure vanilla extract
• 2 1/4 cups sugar
• 1 pound unsalted butter
• 1 teaspoon salt
• 1 pound plus 12 ounces semisweet chocolate chips