Sonic Drive-in Celebrates Spring with their Brownie Batter Master Shake and Yellow Cake Batter Classic Shake

Sonic is now serving up their cool and creamy Brownie Batter Master Shake and Yellow Cake Batter Classic Shake. 

Inspired by the sweet and gooey flavor of decadent dessert batter, these Sonic shakes are each crafted from real vanilla ice cream and either rich chocolate brownie batter or golden yellow cake batter, 

These tasty Sonic treats will only be available for a short time.