Triple the cheese, double the meat — that's the promise of Sonic's new Biggie Cheese, a super-dairy-fied burger that features two all-beef patties, three slices of American cheese, grilled onions, ...

OKLAHOMA CITY--(BUSINESS WIRE)--SONIC ® Drive-In is beefing up the menu with the Biggie Cheese, a new cheeseburger piled high with double the beef and triple the cheese to prove that size does ...