President and Mrs. Reagan's Macaroni and Cheese

Description
Contributed by Catsrecipes Y-Group
 * Source: my old recipes

Ingredients

 * ½ lb macaroni
 * 1 tbsp butter
 * 1 egg, beaten
 * 1 tbsp salt
 * 1 tbsp dry mustard
 * 3 cups sharp cheddar cheese, grated
 * 1 cup milk

Directions

 * 1) Boil macaroni in water until tender. Drain thoroughly.
 * 2) Stir in butter and egg.
 * 3) Mix mustard and salt with 1 tbsp hot water and add to milk.
 * 4) Add cheese to macaroni.
 * 5) Leave enough to sprinkle on top.
 * 6) Pour into buttered casserole.
 * 7) Add milk.
 * 8) Sprinkle with remainder of cheese.
 * 9) Bake at 350°F for about 45 minutes until custard is set and to is crusty.