The term 'chewy snack' can be summarized by two crossword solutions: TAFFY (5 letters) and toffeebar (9 letters). TAFFY is a type of candy made from sugar, butter, and flavorings that is boiled until it becomes chewy. Toffeebar is a type of candy bar made from toffee, which is a type of confectionery made from sugar and butter that is boiled until it becomes hard and chewy. Both TAFFY and toffeebar are popular chewy snacks.