Bottles of Mug root beer in a row on a store shelf - MDV Edwards/Shutterstock Once upon a fizz, Mug Root Beer was the loyal underdog of the soda aisles in grocery stores and supermarkets. It did not ...

When most people think of Mug Root Beer, they might associate it with a slice of their favorite pizza, a fizzy root beer float or even that grinning bulldog featured on the soda label. But there’s a ...