When the doors open at the Blake Street Tavern every day, owner Chris Fuselier is looking for customers and looking for ketchup. “Absolutely,” the Denver restaurateur says. “In hindsight, if you’d have asked me eighteen months ago would I have concerns about ketchup shortages, I would have said ‘Are you crazy?'”When the doors open at the Blake Street Tavern every day, owner Chris Fuselier is looking for customers and looking for ketchup. “Absolutely,” the Denver restaurateur says. “In hindsight, if you’d have asked me eighteen months ago would I have concerns about ketchup shortages, I would have said ‘Are you crazy?'”