Ingredients
3/4 cup butter, softened1-1/2 cups packed brown sugar, divided1/2 cup sugar3 large eggs, separated1 teaspoon vanilla extract2 cups all-purpose flour1 teaspoon baking powder1/4 teaspoon baking soda1/4 teaspoon salt2 cups semisweet chocolate chips1 cup sweetened shredded coconut3/4 cup chopped walnuts
Preparation
Preheat oven to 350°. In a large bowl, cream the butter, 1/2 cup brown sugar and sugar until light and fluffy. Beat in egg yolks and vanilla. Combine the flour, baking powder, baking soda and salt; gradually add to creamed mixture just until blended (batter will be thick). Spread into a greased 13x9-in. baking pan. Sprinkle with the chocolate chips, coconut and walnuts.
In another large bowl, beat egg whites until soft peaks form. Gradually beat in remaining brown sugar, 1 tablespoon at a time. Beat until stiff peaks form. Spread over the top.
Bake 30-35 minutes or until a toothpick inserted in the center comes out clean (do not overbake). Cool on a wire rack. Cut into bars. Store in the refrigerator.
