All In One Spaghetti

Heat olive oil over medium heat. Add onion and garlic; cook until soft. Add meat and crumble while cooking. Cook meat until no longer pink. Season with salt and pepper. Stir in tomato sauce and water. Bring to a boil. Break spaghetti. Add spaghetti a little at a time, stirring into sauce. Cover and reduce heat to simmer. Cook covered 20 to 30 minutes, stirring occasionally. Serve with grated cheese.