Toll House Marble Squares

2 c sifted flour

1 t baking soda

1 t salt

1 c shortening

3/4 c granulated sugar

3/4 c brown sugar

1/2 t vanilla

1/2 t water

2 eggs

1/2 c chopped walnuts

1 c. chocolate chips

Preheat oven to 375. Sift together flour, soda, and salt. Blend butter, sugars, vanilla, and water. Beat in egg. Add flour mixture; mix well. Stir in nuts. Spread in greased 11 x 15 pan. Sprinkle chocolate chips over top of batter. Place in oven 1 min. Remove from oven and run knife through batter to marbleize. Return to oven; continute to bake 10 to 12 min or til done. Cool. Cut into 2" squares. Yield: 4 dozen.