Starbucks (NASDAQ:SBUX) and Shake Shack (NYSE:SHAK) were both soaring before the COVID-19 pandemic, but that crisis naturally took a bite out of their earnings last quarter. Both the coffee giant and the better-burger chain feature small locations geared toward the higher end of the mass market. Starbucks, of course, has been around much longer and has many more stores. But size isn’t everything when it comes to investing, so which of these would be the better stock to buy now? Fresh and new, or experienced and ubiquitous?