The submenu items included a Quarter Pound Double Cheeseburgers, Classic Sonic Cheeseburgers and Chili Cheese Coneys, as well as some drinks and slushes. The chain also updated its fun.99 menu ...

“With the signature zest of Tajín Clásico, this refreshing twist on a classic ... in the App, Happy Hour at drive-ins, Morning Drink Stop®, or other discounts. **SONIC donates a portion ...