Peanut Butter Shortbread

1 can Pillsbury Vanilla or Cream Cheese Frosting Supreme
1 ½ cups peanut butter
¼ cup flour
1 egg
1 ½ cups chopped nuts

Heat oven to 325º F. Grease and flour 15x10x1-inch baking pan. In large bowl, combine 1 cup of the frosting, peanut butter, flour and egg at low speed until blended. Stir in nuts. Press in bottom of greased pan.

Bake at 325º for 15 to 20 minutes or until light golden brown. Spread remaining frosting on warm bars. Cool completely; cut into bars. 48 bars.