Peanut Butter Cookies(Serves 6 Dozen)  
["2 1/2 c. unsifted flour", "1 tsp. baking powder", "1 tsp. baking soda", "1/4 tsp. salt", "1 c. Mazola margarine", "1 c. creamy peanut butter", "1 c. sugar", "1 c. packed brown sugar", "2 eggs", "1 tsp. vanilla"]
["Stir first 4 ingredients; set aside.", "In large bowl with mixer at medium speed, beat margarine and peanut butter until smooth. Beat in sugar until blended, then eggs and vanilla.", "Add flour mixture; beat until well blended.", "Chill dough.", "Shape into 1-inch balls.", "Place 2 inches apart on ungreased cookie sheet.", "Flatten slightly.", "Bake at 350\u00b0 for 12 minutes or until lightly browned."]
["flour", "baking powder", "baking soda", "salt", "margarine", "peanut butter", "sugar", "brown sugar", "eggs", "vanilla"]