Spaghetti Bolognese

1 small onion, chopped
1/4 cup light Italian dressing
1 pound lean ground beef
1 can (15 oz) tomato sauce
1 can (14 oz) diced tomatoes, undrained
2 Tbsp cream cheese
12 oz spaghetti, uncooked
1/4 cup grated parmesan cheese, if desired

Cook onions in dressing in large skillet.  Add meat to brown.  Drain if necessary.  Stir in tomato sauce and tomatoes.  Bring to a boil.  Reduce heat to simmer for 15 minutes.  Removed from heat.  Stir in cream cheese until well blended.  Meanwhile, cook pasta as directed on package.  Spoon sauce over pasta. Sprinkle with parmesan cheese.

Serves 6