Peanut Butter Fudge
["1/2 c. butter or margarine", "1 lb. light brown sugar", "1/2 c. milk", "3/4 c. peanut butter (smooth or crunchy)", "1 tsp. vanilla extract", "1 lb. confectioners sugar"]
["In medium saucepan, melt butter; stir in brown sugar and milk. Bring to a boil; boil 2 minutes while stirring.", "Remove from heat and add peanut butter and vanilla.", "Stir until smooth.", "Mix in confectioners sugar 1 cup at a time, mixing well after each addition.", "Spread into buttered 9-inch square pan.", "Cool and cut into squares."]
["butter", "light brown sugar", "milk", "peanut butter", "vanilla extract", "confectioners sugar"]