We Deliver, the See and Be Scene

Toronto’s iconic chef and restaurateur, Mark McEwan, helms The Hazelton’s renowned ONE Restaurant. With a variety of beautiful dining spaces to choose from, ONE is the place to experience classic French and Italian flavours, paired with fresh and local Ontario produce. ONE offers 24-hour in-room dining and private catering.



As per the updated provincial guidelines, we are thrilled to announce that ONE Restaurant patio has now reopened (with limited capacity) and we look forward to welcoming our esteemed guests. As of September 22nd, 2021, provincial government regulations will require all guests dining indoors or in an event space to be fully vaccinated a minimum of two weeks prior to the event date, exceptions include individuals under the age of 12 or individuals who have proof of a medical exemption. Proof of vaccination will be required upon arrival to the restaurant. 

The Hazelton Hotel and ONE Restaurant continue to offer a robust 24 hour room service menu and take-out menu for pick-up orders so you can indulge in Chef Darby’s signature dishes in the comfort of your room.

The health and safety of our guests and staff is paramount and we continue to follow strict health guidelines and protocols.

We want to thank you for your support and look forward to serving you!


Main Dining Room      6:30am – 12 midnight, last call at 11:45pm
ONE Patio –     7:00am – 12 midnight, last call at 11:45pm
Late Night Menu –     10:00pm – 6:30am
Room Service –     24 hours

We will hold your reservation for up to a 15 min grace period.

Master Class

ONE Restaurant is chef and restaurateur Mark McEwan’s North American contemporary Yorkville hotspot. As restaurateur to Bay Street, caterer and purveyor of fine foods to Toronto’s notables, McEwan brings his one-of-a-kind experience, gourmet expertise and knowledge together with innovative style and redefines expectations into ONE.

Mark McEwan understands the importance of a lasting impression — with elevated standards and culinary brilliance, a dining experience catered by Canada’s most celebrated chef is always a memorable experience.

Private Rooms

ONE Restaurant offers a variety of private dining spaces, each offering its own unique atmosphere. The private spaces are perfect for a range of events from business meetings and presentations to celebratory dinners and large cocktail receptions. Our event manager is available every step of the way to ensure a seamless event including exclusive menus from our private chef and sommelier.

To book a Private Room, please contact ONE Events.