Base: 3/4 cup chopped nuts (optional) 2 eggs 1 teaspoon baking powder 1 cup flour 1 ounce unsweetened chocolate, cut up 1/2 cup butter Heat oven to 350F. Grease and flour 13×9 inch pan. In large saucepan, melt butter and unsweetened chocolate over low heat, stirring until smooth. Stir in flour, then remaining base ingredients; mix […]