4629 N Port Washington Rd
Milwaukee, WI 53212
From afar it might just seem like you're getting a classic diner-style griddled burger with 1/3lb worth of sirloin, some melty American cheese, and stewed onions. But what's that pooling on the plate? Oh, it's melted butter. Because Solly's, a Wisconsin institution opened in 1936, slathers it on at the end.