Sniffing out which plant-based burgers smell the most like real beef

For many meat eaters, summer barbecues wouldn't be the same without the mouthwatering aroma of burgers cooking on the grill. But many people are now open to trying plant-based alternatives, as long as they closely resemble the taste, odor, appearance and texture of real beef. Now, researchers report that the aromas of a couple of plant-based burgers come close to the real deal when they are cooking, though other products still have a long way to go.