4 swiss melt mushroom burgers Recipes

hamburger, diced onion, eggs, lightly beaten, soft breadcrumbs, ketchup, salt, freshly ground black pepper, butter, mushroom, sliced, swiss cheese, dark rye bread, toasted

recipe basic burger, olive oil, onion, thinly sliced, button mushrooms, thinly sliced, salt and pepper, chopped fresh parsley, lemon juice, chopped fresh thyme, swiss cheese , cut into 8 slices, asian mayo, pesto mayo, spicy ketchup, ranch ol, baconator

ground sirloin, onions, sliced, bacon, mushroom, sliced, rye bread (a hearty, thick-sliced 1 with seeds is best), swiss cheese, butter