Angel Chip Bars

Angel Chip Bars 2/3 cup (1 1/3 sticks) butter or margarine 1/2 cup granulated sugar 1 cup packed brown sugar (divided) 2 eggs (separated) 1 tablespoon cold water 1 teaspoon vanilla extract 2 cups flour 1/2 teaspoon salt 1/4 teaspoon baking soda 1 teaspoon baking powder 1 cup chocolate chips 1/2 cup chopped nuts (any kind) Preheat oven to 350 degrees. In bowl, cream butter, granulated sugar and ½ cup brown sugar. Add egg yolks, water and vanilla. Separately, combine flour, salt, baking soda and baking powder and blend into creamed mixture. Blend well. Spread in greased 13-by-9-inch pan using your hands. Sprinkle with chocolate chips, then nuts. For topping: Beat egg whites and remaining ½ cup brown sugar. Spread over chips. Bake in preheated oven 25 minutes or until top is golden brown. Remove from oven and cool completely. Then cut into squares. Makes about 20 bars