Heinen’s Sunday Supper: A Favorite Kainz Family Mexican Feast Onion Pub & Brewery co-owner, Jennifer Kainz, has just introduced a brand new non-profit in the new year dedicated to finding solutions to the global issue of food waste on a local January 24, 2016 Barrington Eats/Family Recipes/Heinen's Grocery/Heinen's Sunday Supper Featured