Chocolate Chip Bars

3/4 c Brown Sugar firmly packed
1/2 c Butter or margarine
1 Egg
1 1/4 c All-purpose flour
1/2 ts Baking soda
1/2 ts Salt
1 ts Vanilla
6 oz Chocolate pieces
1/2 c Chopped walnuts Cream together sugar and butter. Beat in egg.
Stir in dry ingredients; add vanilla and mix. Fold in chocolate and nuts. Spread in greased 15 x 10-inch pan (this will be a thin layer of batter). Bake in 375 degree oven 12 to 15 minutes. Cool slightly before cutting into 48 squares.