What does a sustainable restaurant look like?

At Duke’s Alehouse and Kitchen, sustainability has always been more than a buzzword — it's been a guiding principle. Our recent partnership with Zero Foodprint, an organization dedicated to building regenerative food systems through collective action, inspired us to reflect on our own journey here in Crystal Lake, IL.

Zero Foodprint was started by a chef frustrated with how little his restaurants were doing to help the planet. That story resonated with us — because we've been asking ourselves a similar question for the past 16 years:

What does it really mean to be a green restaurant?

When we opened in 2008, we started big:

• Sourcing local and sustainable ingredients

• Composting food scraps

Over time, we've leaned into the small but powerful changes too. With the guidance of the Green Restaurant Association, we’ve added:

• Low-flow faucet aerators

• LED lighting

• Occupancy sensors to reduce energy waste

We’ve also built strong partnerships with local green groups like the Environmental Defenders of McHenry County and Green Drinks, which continue to inspire and challenge us to do more.

We’ve asked ourselves this often. Here are some of the most common concerns we hear:

• “It’s too expensive.”
  Margins in the restaurant industry are razor thin. Investing in green practices feels risky.

• “Customers won’t pay for it.”
  Raising prices to reflect sustainable sourcing can be a tough sell, especially when diners don’t understand the costs behind the choices.

• “It’s too much work.”
  Training staff to source and serve sustainably takes time and consistency.

We heard all of these doubts — even from friends and family — when we transitioned from Duke O’Brian’s to Duke’s Alehouse and Kitchen. People were worried we’d fail.

We didn’t.

Exceptional service. Quality ingredients. Staff and guest education. These are the basics that every great restaurant is built on. But to stand out in a saturated market — especially as a local, independent spot — you need more.

For us, that meant putting environmental sustainability at the core of our business. That shift took our focus off the numbers and onto something bigger. Some might call that naïve. We call it purpose-driven.

Sixteen years later, we’re still asking hard questions:

What more can we do to amplify our impact?
How can we help other restaurants do the same — and thrive?

We believe success and sustainability don’t have to be at odds. But it takes more than one restaurant. It takes a shift in the way people think about food.

Next time you're choosing a place to eat, consider asking yourself:

• Which restaurant experience has the smallest environmental footprint?

• Was this beef raised using regenerative practices?

• Was my lettuce grown locally or shipped from hundreds of miles away?

These questions — once considered fringe — are now driving real change. They help move sustainability closer to the front of mind, and that’s where real progress begins.

You’ve heard it before — “vote with your fork” — but it’s more than just a catchy phrase. The future of food depends on the questions we ask and the values we support.

So please, ask those questions. Ask them at the farmers market. Ask them in your grocery store. Ask them when you sit down to order dinner.

And we’ll keep asking ourselves:

What does a truly sustainable restaurant look like — and how can Duke’s keep evolving to become one?

Thanks for being part of the journey.

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