Mushroom-Rice Burgers with Cheddar Cheese

When I was growing up, no one knew from vegetarian burgers. Today, they’ve become big business, as more and more health-conscious Americans adopt at least partial vegetarian diets. The following recipe combines mushrooms, oats, and brown rice in a patty that looks somewhat like a hamburger and has a rich, earthy flavor that could almost be described as meaty. It’s also a great way to use up leftover brown rice. Note that vegetarian burgers are more fragile than beef or lamb burgers. Cook th