Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2 1/2  cups          1% low-fat milk
     1/4  cup           all-purpose flour
     1/2  teaspoon      dry mustard
     1/2  teaspoon      salt
     1/4  teaspoon      paprika
     1/4  teaspoon      pepper
   1 1/2  cups          cheddar cheese -- lowfat, shredded
   2      ounces        nonfat cream cheese
   3      tablespoons   parmesan cheese
   6      ounces        macaroni -- cooked
                        *** -- 	 TOPPING***
     1/4  cup           bread crumbs
   1      tablespoon    parmesan cheese

Preparation:

In a medium saucepan, combine the milk and flour until smooth. Cook over medium - high heat until mixture is bubbly and thickened, about 7 or 8 minutes. Stir in dry mustard, salt, paprika, pepper, all cheeses, and onions. Continue to cooik utnil cheeses are completely melted. Combine cheese sauce with cooked macaroni. Transfer to a large casserole dish that has been sprayed with non-stick spray. Mix bread crumbs and parmesan cheese. Sprinkle over macaroni. Bake at 350 degrees, uncovered for 30 minutes. Serve immediately.