Mustard's boasts outposts in both Boulder and Denver, walk-up operations that turn out hot dogs, Polish sausages, burgers and veggie options of many different origins and varieties – and have been doing so for four decades. Mustard’s does a proper Chicago dog, topping Vienna beef with mustard, tomato, relish, sport peppers and celery salt, and that's what we like to order. But if you're looking for a chili-and-cheese-smothered wiener, Mustard's is a solid bet. And both locations get bonus points for their vegetarian and vegan options.
- Price: $
- Hours: Daily 11 a.m.-8 p.m.
- Outdoor seating: Open-air patio
- Alcohol: No alcohol
- Reservations: Not accepted
- Parking: Lot available, Metered
- Extra Services: Catering
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Takeout
- Call restaurant to order/pay
- Curbside pickup
- Gift cards for purchase
- Use restaurant website to order/pay
- Walk-up window for ordering/pickup
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Delivery
- Order/delivery via DoorDash
- Order/delivery via Grubhub
- Order/delivery via Uber Eats