Open-Faced Burgers with Onion-Mushroom Topping Cooking Light June 2000   I made these tonight. I skipped the vinegar. It just didn't sound right. I swapped it for some worcestershire and some marsala. Interesting substitute but it seemed to work. I also substituted buns for the english muffin. Something about a burger on an english muffin that just doesn't seem right to me...     What can I say? It's a burger with mushrooms and onions on top and paprika inside. Yes, it was good. … [Read more...]