It's rather rare and unusual to see a Brat, Italian, Polish or Chorizo on the menu of a restaurant in Milwaukee. Who the F would go out for something you're going to grill at home or have at a tailgate/ballpark.
Similarly, LJS tends to be hard to find in WI, the land of 100,000 fish fries on Friday. I've talked to enough chefs, almost nobody sells fresh fish.
Shorelunch in Canada and other states is about the one I can guarantee, along with some fresh clams I've had in New England