Sonic Drive-In is testing a lineup of coffee drinks at select locations. Customers can add Oreo cookie syrup to the drinks for 99 cents or caramel syrup or vanilla syrup for 49 cents each. The drinks ...
Add Yahoo as a preferred source to see more of our stories on Google. Sonic is testing a whole lot of new items that it hopes will "level up" its drink menu. Still, it thinks the expanded lineup of ...