After a hike beneath the Flatirons, a bike ride along Boulder Creek, or an evening spent soaking up the sunshine on Pearl Street, few comfort foods hit the spot quite like a basket of perfectly crispy onion rings. Golden brown on the outside, sweet and tender on the inside, onion rings have become one of Boulder’s most beloved side dishes—and in some places, they’re the main attraction.
Boulder’s food scene is known for healthy fare, farm-to-table restaurants, and creative cuisine, but locals know there’s always room for classic comfort food done exceptionally well. From longtime neighborhood diners to burger joints and downtown favorites, the city offers plenty of opportunities to enjoy this timeless treat.
As summer patios fill up and outdoor adventures continue, we set out to find some of Boulder’s favorite onion rings in 2026. Whether you’re looking for a post-hike reward, a casual lunch, or the perfect companion to a burger, these local spots are serving up serious crunch.
Why Onion Rings Are Having a Moment
While French fries have long dominated the side-dish conversation, onion rings are enjoying a resurgence. Restaurants are elevating the classic with house-made batters, premium ingredients, creative seasonings, and signature dipping sauces. The result is a simple favorite that feels both nostalgic and fresh.
In Boulder, where diners appreciate quality ingredients and unique flavors, onion rings have quietly become one of the city’s most underrated menu items.
Parkway Cafe
For many locals, Parkway Cafe is the gold standard when it comes to onion rings. This welcoming neighborhood diner has built a loyal following thanks to generous portions, friendly service, and consistently satisfying comfort food.
Their onion rings arrive hot, crispy, and beautifully golden, with a light batter that allows the sweetness of the onion to shine through. They pair perfectly with one of the cafe’s popular sandwiches or burgers and are often mentioned by customers as a must-order item…