Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
  12      ounces        uncooked elbow macaroni
     1/4  cup           butter
     1/4  cup           flour
   1      teaspoon      salt
     3/4  teaspoon      dry mustard
     1/2  teaspoon      pepper
   1      dash          hot pepper sauce
   3 1/2  cups          milk
   5      cups          shredded cheddar -- (20 oz.)
                        - divided

Preparation:

Cook macaroni in boiling salted water until almost tender. Meanwhile, in a small saucepan, melt butter. Stir in flour, salt, mustard, pepper and hot pepper sauce. Cook and stir until smooth. Drain macaroni; combine with butter mixture in a large bowl and mix well. Stir in milk and 4 cups of cheese. Pour into an ungreased 13x9x2" baking dish. Cover and bake at 350F for 45 minutes or until bubbly. Sprinkle with remaining cheese; let stand 5 minutes before serving. From: "Reminisce Extra" Magazine