Frozen custard is a thing in the midwest. Frozen custard is ice cream, but made with the addition of eggs, which makes it have a smoother texture and stay colder longer. It's specifically popular in Milwaukee, which is the "unofficial frozen custard capital of the world." Apparently, the city had the highest concentration of frozen yogurt shops in the world.
Leon's Frozen Custard is one of the giants in the area. They have malts, shakes, sundaes, cones, sodas, floats and burgers and hotdogs. You order at the window and grab your frozen custard to go. There wasn't any seating around that I saw.
I went for a caramel sundae, which came topped with nuts and a cherry. It was freezing out this day, but we sat outside at the neighboring business, scarfing down this frozen custard. It's creamier than typical ice cream, and it was covered in caramel, which makes every dish better. So good.