By Veronika Bondarenko The brand behind ‘America’s Freshest Ice Cream’ is expanding on a classic. The Atlanta ice cream maker Carvel is one company that is steeped in tradition. Many have memories of birthdays celebrated with its signature ice cream cakes or an ice cream sandwich eaten in the car every Saturday morning after soccer practice. When a brand is built on nostalgia and childhood memories, any changes can be difficult to pass off to customers loyal to a product they know and love. Still, the ice cream producer behind the motto “America’s Freshest Ice Cream” is trying its luck in expa…