1 egg, separated
2 cups all-purpose flour
1 cup granulated sugar
1 cup butter or margarine, softened
1 teaspoon vanilla extract
1 cup chopped walnuts
Colored sugar

In large mixing bowl, combine egg yolk and remaining ingredients except nuts and colored sugar. Blend well at low speed. Stir in 1/2 cup walnuts; mix thoroughly. Spread in ungreased 15 x 10-inch jellyroll pan.

Beat egg white until frothy; spread over bars. Sprinkle remaining walnuts and colored sugar. Bake at 350 degrees F for 25 to 30 minutes. Cool slightly; cut into bars.

Yield: 40 bars