Mr. Beef Chicago: Santiago Lastra and Will Poulter Bring a Mexican Italian Beef to River North for One Sunday
Mr. Beef Chicago hands its River North counter to Santiago Lastra of London’s Michelin-starred KOL and The Bear’s Will Poulter on Sunday, October 25, 2026, for a one-day Mexican-inspired Italian beef with beef tongue, caramelized mozzarella and chorizo, plus a Pretty Cool Ice Cream sandwich. Walk-in only from 1 p.m. until it sells out.













