A QB search for "Peanut Butter" had this recipe from Sondray:
http://www.quiltingboard.com/t-5002-1.htm
3 INGREDIENT COOKIES
1 c. peanut butter
1 c. sugar
1 egg or 2 oz. (1/4 c.) egg substitute
Combine ingredients. Roll into 1 inch balls. Press with fork. Bake at 325 degrees for 8 minutes.