HOME A·T Bistro, short for Au Troisieme, is a neighborhood bistro located in Preston Center Au Troisieme, meaning third place in French. You hang out at home, your office and we want this to be your third place. Serving New American with world influence. Sign up here for latest info Please leave this field empty. Please leave this field empty. OPEN TUESDAY - SUNDAY LUNCH Tuesday-Friday 11:00 AM - 5:00 PM HAPPY HOUR Tuesday-Friday 3:00 PM - 6:00 PM DINNERTuesday-Saturday 5:00 PM - 10:00 PM SUNDAY BRUNCH10:00 AM - 3:00 PM Book your A·T Bistro reservation on Resy Book your Au Troisieme reservation on Resy