Butter burgers, jumbo cheeseburgers, and daily rotating custard flavors
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"A longtime custard institution known for rotating daily specials and inventive flavors—think wedding-cake or Bienenstichkuchen varieties—and signature creations like a pancake custard with maple syrup that draw devoted fans." - Elaine Glusac

"Since 1950, Elsa Kopp’s frozen custard has been a local staple for creamy comfort. But it’s not simple sundaes that inspire treks to the three suburban locations. The jumbo burgers have the charry-edged, beefy, buttery finish that all nouveau diner flattops yearn for. They’re housed in starchy soft buns and draped in melty processed yellow cheese, but from there personalizations hold a mirror up to the eater. Do you like it simple with ketchup? Or do you need a thrill with hot sauce and jalapeños? Why not make it a double with bacon and bracingly stinky fried onions? However you order it, the go-to move is to eat it in the car with the radio turned to a Brewers game (RIP Bob Uecker). That is living your best Milwaukee life. Best for: Summer nights after a little league game." - Todd Lazarski

"It's the number one place we always bring a guest chef: a vintage frozen-custard spot where everybody wears white paper hats and you grab a cheeseburger, fries, onion rings and the custard of the day; I believe it has the best burger in America, and my favorite custard is turtle (caramel and pecans) — I recommend getting a quart to go." - Regan Stephens

"Wisconsin loves its local custard stands and Kopp’s is one of the state’s most beloved. It’s often the first place that people who move from Milwaukee will visit upon returning home. Generations of fans can’t get enough of their thick creamy custard which pairs perfectly with one of their old fashioned cheeseburgers. There are three Kopp’s locations." - Titus Ruscitti

"For not just custard but also 'good burgers,' Ahn recommends Kopp’s Frozen Custard, founded by Elsa Kopp in 1950 with custard flavors changing daily." - Marguerite Imbert