It's a warm summer evening, and you're on a back porch with a group of friends, drinking a beer and getting ready for dinner. Someone passes you a paper plate, a seeded bun, and—wait, you don't eat meat? Oh. Well, here's a tomato and some lettuce.

If you steer clear of beef, you've probably experienced a similar scenario. If you're lucky, you maybe even found a frozen soy patty masquerading as a burger that, when grilled, sort of tasted like nothing, and drenched it in mustard ...Read more »