Steam sausage 10 to 15 minutes, remove from skillet, rinse skillet, add a small amount of olive oil, cut sausage links into 3 pieces. Brown and remove from skillet. Add peppers to same skillet (do not rinse), stir quickly as peppers stick. After 3 minutes, add onions and mushrooms. Saute until onions are transparent. Add cup of red wine, scraping pan as you stir. Add tomatoes, salt and pepper to taste, add cheese and stir before serving. Place in a large bowl and top with a little extra grated cheese. Serve with Italian bread or as a sandwich on sub buns.