Best Ever Italian Meatloaf

Name: Best Ever Italian Meatloaf
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Cuisine: European, Mediterranean, Italian
Ingredients: 2 tbsp vegetable oil; 1 onion chopped; 2 cloves garlic minced; 1 pound Ground beef; 1 pound Italian sausage crumbled; 1 cup Italian bread crumbs; 1 Egg; 1 tsp Salt; 1/4 tsp dried oregano; 6 slices Mozzarella cheese; 2 cups Spaghetti Sauce