Casserole Pizza Keju

Bahan-bahan (12 porsi)

• 1 pound mild pork sausage
• 1 pound cubed ham
• ½ -1 pound pepperoni
• 1 pound farfalle pasta
• 2 tablespoons garlic, (minced)
• 1 large onion, (diced, about 1 ½ cups)
• 1 teaspoon dried oregano
• 2 (26-ounce) jars spaghetti sauce
• 3 (8 ounces) bags shredded mozzarella cheese, (24 ounces)
• 6 tablespoons parmesan cheese, (grated)