Smokehouse Spaghetti

Ingredients

• 3/4 pound spaghetti
• 1 medium onion
• 3 cans (8 ounces each) tomato sauce plus 2 cans water
• 1/2 teaspoon oregano
• 1 can (4 ounces) sliced mushrooms
• 1 cup shredded sharp cheddar cheese
• 1/4 pound bacon, cut up
• 1 pound ground beef
• 1-1/2 teaspoons salt
• 1/4 teaspoon pepper
• 1/2 teaspoon garlic salt
• 1 cup shredded provolone or mozzarella cheese