Peanut Butter Fudge Bars
["1 (6 oz.) pkg. semi-sweet chocolate pieces", "1 (14 oz.) can sweetened condensed milk", "1/2 tsp. vanilla", "2/3 c. softened butter or margarine", "1/2 c. peanut butter", "1 c. brown sugar", "1 1/2 c. flour", "1 c. oats"]
["Preheat oven to 350\u00b0.", "Grease 9 x 13-inch pan.", "In small saucepan, melt chocolate with milk over low heat; stir occasionally.", "Remove from heat; stir in vanilla.", "In large bowl, beat butter with peanut butter and sugar until blended.", "Stir in flour and oats until combined.", "Measure out 1 cup and set aside. Press remaining oat mixture into pan.", "Spread chocolate over. Crumble reserved 1 cup of oat mixture over top.", "Bake 30 to 35 minutes."]
["semi-sweet chocolate pieces", "condensed milk", "vanilla", "butter", "peanut butter", "brown sugar", "flour", "oats"]