Once upon a time, Burger King had a sandwich that piled on a whopping four burger patties, four slices of cheese, bacon, and a special sauce.

For some, Burger King is merely McDonald's flame-broiled younger brother. To many more, though, BK is a one-of-a-kind treasure that offers everything the Golden Arches have been lacking over the past ...

Burger King is enhancing its value menu by offering stackers -- which feature its flame-broiled beef, bacon, cheese and Stacker sauce on a sesame seed bun -- starting at $1, for the BK Single Stacker.