4 black burger cheesy Recipes

extra-virgin olive oil, yellow onion peeled and finely minced, fresh rosemary very finely chopped, ground turkey or ground beef chuck, coarse salt, freshly ground black pepper, cheese of your choice coarsely grated, sprouted grain or whole-wheat burger buns

oil, divided, sliced fresh mushrooms, chopped onion, garlic clove, minced, lean ground beef, shredded monterey jack cheese, breadcrumbs, milk, salt, black pepper, dried thyme, crusty french rolls, toasted