Toll House Mud Bars

                1 cup + 2 tbsp.  all purpose flour
                1/2 tsp.  baking soda
                1/2 tsp.  salt
                1/2 cup butter, softened
                3/4 cup brown sugar, firmly packed
                1 tsp.  vanilla
                1 eggs
                12 oz.  semi-sweet chocolate chips, divided
                   into 1 1/3 cup and 1/3 cup portions
                1/2 cup chopped nuts (optional)

                Preheat oven to 375'.  In a small bowl, combine flour,
                baking soda, and salt; set aside.  In a large bowl, combine
                butter, brown sugar, and vanilla.  Beat until creamy.  Add
                egg; beat well.  Gradually add flour mixture.  Stir in
                1 1/3 cups chocolate chips and nuts.  Spread into foil lined
                9" square pan.  Bake 23-25 min.  Sprinkle rest of chocolate
                chips on top.  Spread evenly when shiny.  When cool, chill
                5-10 min.  to set chocolate.