The weekend celebrates the legendary Creole chef's birthday and inaugurates the Edgar "Dooky" Jr. & Leah Chase Family Foundation. "In Celebration of Leah Chase's 90th Birthday: A Conversation With Leah and Dooky" is Jan. 4 at Dooky Chase Restaurant (2301 Orleans Ave.) with seatings at 11 a.m., 2:30 p.m. and 5 p.m. Admission $40. On Jan. 5 there's a gala at Hyatt Regency New Orleans (601 Loyola Ave.) with live music, food and a special presentation. Admission $250. 6 p.m. Visit http://www.dookyandleahchasefoundation.org for details.