Catalyst Burger

Catalyst Restaurant

It’s moist, juicy North American corn-fed beef with enough fat to give it a grand taste, cooked until medium-rare and covered with caramelized onions and slow-roasted tomatoes, all tucked onto a brioche bun with homemade cherry-pepper ketchup and a lemony aioli. — S.J.

300 Technology Square, Cambridge, 617-576-3000, catalystrestaurant.com