Preheat oven to 375. Place flour in large saucepan, add milk stirring
until blended.Cook over med. heat 8 min. Add cheeses: cook 3 min or
until cheese melts. remove from heat and stir in macaroni and salt.
Spoon mixture into a 2 qt casserole coated with cooking spray.
Combine crushed toasts and margarine in a small bowl; stir until well
blended. Sprinkle over macaroni, bake 30 min. until bubbly.
Recipe By : Cooking Lighe