"Banoffee'' is a combination of "banana" and "toffee," says chef Ian Dowding, who felt the earlier version of the dessert, called Blum's Coffee Toffee Pie — made of toffee, butter, sugar, and cream filling — made it nearly impossible to achieve a good consistency. He began boiling cans of sweetened condensed milk in water to make a soft and simple toffee filling, which evolved into the Banoffee pie.