Okay, if you've been to L. Woods in Lincolnwood you may think the headline above calls for the response "Yeah, for about 15 years now they have." But just because you're a Lettuce Entertain You restaurant designed to look like a backwoods Wisconsin supper club, doesn't mean you've totally committed to the concept, Next-style ("Manitowoc 1956"). But after reading Kevin Pang's Wisconsin supper club piece in the Tribune some months back, manager Terry Lawler decided to try to replicate the tradition as closely as possible, from relish tray to brandy-driven drinks. Beginning next week, every Friday night they'll serve a Wisconsin Old Fashioned (Korbel brandy, orange and maraschino cherry) or Schlitz drafts, fried cheese curds, a relish tray and smorgasbord with everything from Merkt's cheese to kidney bean salad, a smoked sausage platter, and fried haddock or lake perch as a main course, concluding with a Wisconsin state fair tradition, the cream puff. It's like if the cheddar curtain started at Touhy!