Spaghetti Sauce III

1 pound lean ground beef

¼ cup chopped onion

2 (14.5 ounce) cans stewed tomatoes

1 (6 ounce) can tomato paste

1 tablespoon dried basil

1 tablespoon garlic powder

1 tablespoon dried oregano

1 (4.5 ounce) can mushrooms, drained

In a large saucepan over medium heat, cook ground beef with onion until brown; drain. Stir tomatoes, tomato paste, basil, garlic powder, oregano and mushrooms into beef mixture. Bring to a boil, then reduce heat to low and simmer one hour. Serve over hot pasta.