Peanut Butter Bars
["1/2 c. butter", "1/2 c. sugar", "1/2 c. light brown sugar, packed", "1 egg", "1/2 to 1/3 c. peanut butter", "1/2 tsp. soda", "1/4 tsp. salt", "1/2 tsp. vanilla", "1 c. flour", "1 c. quick rolled oats", "1 (6 oz.) pkg. semi-sweet chocolate pieces", "1/2 c. confectioners sugar", "1/4 c. creamy peanut butter", "2 to 4 Tbsp. milk"]
["Mix", "together first 10 ingredients.", "Spread in a 13 x 9 x 2-inch", "baking pan.", "Bake at 350\u00b0 for 20 to 25 minutes until lightly", "browned.", "Immediately", "sprinkle with chocolate pieces on top;", "allow", "to", "melt,", "then", "spread over top.", "Mix last 3 ingredients and drizzle over chocolate.", "Cool; cut into bars."]
["butter", "sugar", "light brown sugar", "egg", "peanut butter", "soda", "salt", "vanilla", "flour", "rolled oats", "semi-sweet chocolate pieces", "confectioners sugar", "peanut butter", "milk"]