Barley Black Bean Burgers
1 (16 ounce) can black beans, drained and rin… 1 cup mushrooms, minced 1 cup shredded Cheddar cheese 1 cup water 2 large eggs 3 cloves garlic, minced salt and ground black pepper to taste ¼ cup fresh parsley, minced ½ cup bread crumbs, or as needed ½ cup quick-cooking barley ½ onion, minced ½ red bell pepper, minced