
Kopp's Frozen Custard
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Kopp's Frozen Custard has been serving Milwaukee's best freshly made frozen custard and jumbo butter burgers since 1950, with three locations in Greenfield, Brookfield, and Glendale. Founded by Elsa Kopp, the chain pioneered the daily rotating specialty flavor alongside traditional chocolate and vanilla, making each visit a new discovery. The custard-based milkshakes are thick, rich, and made to order with the day's rotating flavors. Business Insider has recognized Kopp's among Wisconsin's best, and the butter burgers are a beloved Milwaukee-area staple.