Answer: magic
Magic bars, also known as Hello Dolly or Seven Layer Bars, combine graham cracker crumbs with chocolate, butterscotch, coconut, nuts, and a can of sweetened condensed milk; as they surged in popularity in the 1960s alongside hit Broadway musical "Hello, Dolly!", the names became linked, and the recipe later appeared as Magic Cookie Bars on the back of the Eagle Brand condensed milk can
