With peanut butter, chocolate and marshmallows, these treats were very popular with our three kids as they were growing up—and now I make them for our two grandchildren. They're perfect for the holidays when time is so precious. —Dody Cagenello, Simsbury, Connecticut
Line a 9-in. square pan with foil; butter the foil. Arrange marshmallows in pan. In a microwave, melt the chocolate chips, peanut butter and butter; stir until smooth. Pour and spread over the marshmallows. Chill completely. Cut into 1-1/2-in. squares.