Peanut Butter Sandwich Cookies
["1 c. butter or margarine", "1 c. sugar", "1 c. brown sugar", "2 eggs", "1 c. crunch-style peanut butter", "1 tsp. vanilla", "3 c. flour", "2 tsp. baking soda", "1/4 tsp. salt", "1/2 c. crunch-style peanut butter", "1 tsp. vanilla", "4 Tbsp. milk", "3 c. powdered sugar"]
["Cream butter, sugar and brown sugar until light and fluffy. Add eggs, one at a time, beating well after each. Blend in peanut butter and vanilla.", "Sift together flour, baking soda and salt. Stir into creamed mixture.", "Form mixture into 1-inch balls.", "Place 2 inches apart on greased baking sheet.", "Flatten with fork.", "Bake at 375\u00b0 for 8 minutes or until golden brown.", "When cooled, spread one cookie with Peanut Butter Filling.", "Place another cookie on top."]
["butter", "sugar", "brown sugar", "eggs", "crunch-style peanut butter", "vanilla", "flour", "baking soda", "salt", "crunch-style peanut butter", "vanilla", "milk", "powdered sugar"]