1 small onion chopped
1/4 cup KRAFT Light Zesty Italian Reduced Fat Dressing
1 lb. extra lean ground beef
1 can (15 oz.) tomato sauce
1 can (14 oz.) diced tomatoes, undrained
2 Tbsp. PHILADELPHIA Neufchatel Cheese, 1/3 Less Fat than Cream Cheese
12 oz spaghetti uncooked
1/4 cup KRAFT 100% Grated Parmesan Cheese

COOK onions in dressing in large skillet on medium heat. Increase heat to medium-high. Add meat; cook, stirring frequently, until browned. Stir in tomato sauce and tomatoes. Bring to boil. Reduce heat to medium-low; simmer 15 min. Remove from heat. Stir in Neufchatel cheese until well blended.

To Freeze: Freeze in freezer safe container.

To Reheat: Cook pasta as directed on package. Reheat sauce and spoon over pasta. Sprinkle with Parmesan cheese.