Lon Symensma may be known for Asian food here in Denver — see his restaurants ChoLon and Cho77 — but he actually started his career cooking European food under superstar chefs like Daniel Boulud and Jean-Georges. So for his newest restaurant opening Dec. 28, LeRoux, Symensma is getting back to his roots. “LeRoux is kind of a celebration of my early years as a chef,” Symensma told us late last year, when he initially shared the concept.