Black beans are rich in protein and fiber, and they contain a fair amount of iron. These burgers are delicious and satisfying and are vegan, too, which means they are free of all animal products and also cholesterol-free. Serve them on a potato bun or other bun, with a slice of fresh mango, or with the more traditional organic romaine leaves, sliced tomato, red onion, and ketchup. Either way, they are really good.
These burgers freeze well and are easy to cook from frozen. When read