Grilled Cheese Double Burger

The Grilled Cheese Double Burger is back at Sonic as part of a new $3.99 combo deal. As part of the combo deal, Sonic is offering a Grilled Cheese Double Burger served with your choice ..

The Grilled Cheese Double Burger is back at Sonic for a limited time. The returning fan-favorite features two seasoned 100 percent pure beef patties layered with three slices of melty American cheese, all sandwiched between ..