Market Street Diner serves classic diner food that will have you coming back for more. Wisconsin favorites, from a classic Ruebens to a favorite meatloaf, are on the menu. Daily soup and sandwich specials and overflowing bakery cases keep diners coming back time and again. Home to Carl's Cakes, Madison's most recommended cakes. Carl's Cakes, located INSIDE Market Street Bakery, is the area's top recommended wedding cake bakery. Carl's Cakes, founded by Carl Loeffel in 1985, relocated and became part of Market Street Diner and Bakery in 2011.