Ingredients:


Instructions:

  1. Preheat oven to 425°F.
  2. Cook macaroni al dente according to package directions. Drain and run under cold water.
  3. Melt butter over medium heat in a large saucepan. Whisk in flour and let cook 2 minutes while stirring. Slowly whisk in milk, cream, mustard powder, onion powder, salt and pepper to taste. Cook over medium heat while stirring until thickened.
  4. Remove from heat and stir in Parmesan cheese and 3 cups cheddar cheese until melted. Add soup if using. Taste and season with additional salt and pepper if desired.
  5. Toss cheese sauce and macaroni noodles together. Pour into a greased 9×13 pan. Top with remaining 1 cup cheese.
  6. Bake 18 to 24 minutes or until bubbly. Do not over cook. Cool 10 to 15 minutes before serving.