Gather all the ingredients near the stove and put a heavy bottom sauce pan on a medium low heat. Next, add in both oils and the onions and garlic. Fry till fragrant, then add in the sausages and beef/chicken/pork and saute till partially cooked and add in the marinara sauce and cheese. Cook the mixture for about 3 - 5 minutes. Stirring frequently and till the cheese is melted.