Cheesy Patty Melts

Today, Samantha was home alone. Her mother left her tasty and healthy soup, but Samantha does not like soup and so she decided to make a sandwich. Do not want to make a couple of sandwiches with it? It's very simple, follow the instructions to start prepare filling for sandwiches, namely, fried red onion and mushrooms and meatballs. After lay it all and cheese on bread and toast.