A festival of beer, bourbon and barbecue will feature two tasting sessions on Saturday at The Tunnel, 608 West 28th Street, in Chelsea. From noon to 4 p.m., the focus is on bacon, and from 5:30 to 8:30 p.m., a barbecue plate is included with the unlimited samplings of beer and bourbon. Limited tickets are available only at the door, at $135 for the first session and $120 in the evening. Students can learn how to make ravioli from scratch at Giovanni Rana Pastificio & Cucina, 75 Ninth Avenue, in a pasta-making class Sunday starting at 11 a.m. There will be a hands-on demonstration and lunch is served at 12:30 p.m. The class is $35 per person and does not include drinks. Call (212) 370-0975 for reservations. Two experts on Winston Churchill will present a lecture on his life and culinary tastes on Sunday at 2 p.m. at the 92Y TriBeCa, 200 Hudson Street. Receptions before and after the lecture will feature some of Mr. Churchill's favorite dishes and drinks. Tickets, available online, are $58 per person. More than 20 chefs from restaurants across New York will gather at Chelsea Market, 75 Ninth Avenue, to compete in the NYChilifest on Sunday from 7 to 9 p.m. There will be live music and judges will pick a winner. Proceeds from the contest will benefit Food Systems Network NYC. For non-members of the network, tickets are $50 per person for unlimited tastings of chili or $55, which includes beer.