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Indulge In A Towering Turtle Sundae Or A Perfect Root Beer Float At Kopp’s In Greenfield

  • Attraction: Kopp’s Frozen Custard
  • Location: 7631 W Layton Ave, Greenfield, WI 53220
  • Industry: Restaurant
  • Website: https://kopps.com/

Picture this: stainless steel custard machines churning out velvet-smooth frozen treats while paper-hatted workers scoop flavors that change daily, just like they have since 1950.

At Kopp’s Frozen Custard in Greenfield, you’re stepping into a piece of Milwaukee history where German immigrant Elsa Kopp revolutionized frozen custard by daring to mix chocolate and vanilla—a scandalous act in the early custard community that sparked the “Flavor of the Day” tradition.

This isn’t your ordinary ice cream joint.

You’ll discover Wisconsin’s quintessential frozen treat in its purest form, made with egg yolks for that impossibly rich, creamy texture that melts faster than regular ice cream.

The Greenfield location offers something truly special: a sunken outdoor courtyard complete with a cascading waterfall that drowns out traffic noise, creating an unexpectedly peaceful oasis where you can savor your custard surrounded by greenery and the gentle sound of flowing water.

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Menu Highlights

The KRK Burger: This legendary creation took 67 years to perfect and features twelve carefully layered ingredients. You’ll bite into toasted bun, ketchup, mayo, fried onions, American cheese, burger patty, bacon, more cheese, tomatoes, raw onions, even more cheese, pickles, and spicy mayo. Named after owner Karl Kopp, this indulgent masterpiece comes with fries and onion rings for about $7.25.

Flavor of the Day Adventure: Every single day brings two unique custard flavors alongside classic vanilla and chocolate. You might discover Bailey’s Irish Cream Coffee, German Apple Streusel, Tiramisu with real cake chunks, S’mores with graham crackers and mini marshmallows, or Doc Severinsen (inspired by Hershey’s Symphony bars with almonds and toffee crunch). The monthly flavor calendar lets you plan visits around your favorites.

Turtle Sundae Extravaganza: This towering creation features vanilla custard drowning in caramel and hot fudge sauces, topped with an avalanche of toasted pecans. You’ll need to dig deep to find the custard beneath all the premium toppings, but each spoonful delivers that perfect sweet-and-nutty combination Wisconsin does so well.

Root Beer Float Perfection: Made with locally-brewed Sprecher root beer, these floats showcase two Wisconsin classics in one glass. The creamy custard pairs beautifully with the distinctive vanilla and honey notes of this Milwaukee-made soda.

Jumbo Burger Selection: Beyond the famous KRK, you’ll find massive cheeseburgers served on oversized buns with fresh lettuce, ripe tomatoes, and your choice of toppings. The traditional “Works” burger features ketchup, Dusseldorf mustard, sweet pickle relish, and fried onions—a Milwaukee classic combination.

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Specialty Sundaes: The menu rotates monthly sundaes like the Kitchen Sink (four scoops with chocolate, caramel, butterscotch, marshmallows, hot fudge, and pecans) and the Banana Split featuring three scoops topped with raspberry, pineapple, strawberry, and chopped nuts.

Atmosphere & Décor

Waterfall Courtyard: The outdoor seating area feels like a hidden garden retreat with its stone waterfall feature, surrounding walls covered in climbing vines, and benches positioned for optimal waterfall views. You’ll find this surprisingly tranquil space perfect for unwinding while enjoying your treats.

Classic Custard Stand Vibes: Inside, you’ll experience authentic 1950s custard stand atmosphere with workers in traditional white paper hats operating gleaming stainless steel machines. The constant churning of custard creates an almost hypnotic rhythm that adds to the nostalgic charm.

No-Frills Functionality: Don’t expect fancy tableside service—this is classic counter ordering with standing tables inside and bench seating outside. The focus remains squarely on the food and custard quality rather than elaborate décor.

Dual Ordering System: You’ll notice separate lines for custard versus grill items, which keeps service moving efficiently even during busy periods. The organized chaos of peak times becomes part of the authentic Milwaukee custard experience.

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Other Considerations

Value Pricing: You’ll find custard prices reflecting premium quality—expect to pay around $6-10 for sundaes and $4-6 for cones or dishes. Burgers range from $5.75 to $9.25 depending on toppings. While not bargain-basement cheap, the generous portions and quality ingredients make prices feel reasonable for what you receive.

Parking Challenges: The small lot fills quickly during peak times, so you might need to circle the block or visit during off-peak hours. The popularity definitely shows in the parking situation, especially on warm summer evenings.

Weather-Dependent Comfort: Much of the seating is outdoors, making this more enjoyable during pleasant weather. Wisconsin winters might limit your waterfall courtyard experience, though the indoor standing area provides shelter.

Family-Friendly Classic: You’ll see multi-generational families sharing traditions here, with grandparents introducing grandchildren to flavors they’ve loved for decades. The casual atmosphere welcomes everyone from construction workers grabbing lunch to families celebrating birthdays.

Mobile Ordering Available: Download their app to skip lines and get notifications when your favorite flavors appear on the schedule. You can even sign up for flavor alerts to never miss limited-time offerings.

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No Reservations Needed: This is pure walk-up service, but the efficient system keeps waits reasonable even during busy summer nights when lines stretch out the door.


Kopp’s Frozen Custard
📍 7631 W Layton Ave, Greenfield, WI 53220

Writer: Alicia Verville
Click to read bio

I love writing and I love Minneapolis! My favorite places to explore are charming small towns, vibrant arts scene, and hidden gems anywhere outdoors. Fall foliage with a good documentary is my version of heaven.