Three of Boston’s most powerful restaurateurs, Top Chef alum and owner-chef at Sweet Cheeks Barbeque and Tiger Mama, Tiffani Faison, co-owner of Myers + Chang and chef-owner of Flour Bakery, Joanne Chang, and Ana Sortun, the chef-owner of Oleana and Sofra Bakery and the co-owner of Sarma, joined Jim Braude.