Easy Peanut Butter Shortbread Cookies
1 can vanilla or cream cheese frosting
1 1/2 cup peanut butter
1/4 cup flour
1 1/2 cup chopped nuts (optional)
Grease a long jelly roll pan. Combine the frosting, peanut butter, flour, and egg at low speed until blended (can mix by hand). Stir in nuts if desired and press into pan. Bake at 325 for 15-20 minutes.