Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  pound         macaroni
   1      teaspoon      dry mustard
   1      teaspoon      butter; melted
   1      cup           milk
   1                    eggs; beaten
   3      cups          sharp cheese; grated
   1      teaspoon      salt

Preparation:

Boil macaroni and drain thoroughly. Stir in butter and egg. Mix salt and mustard with 1 tbsp. hot water. Add to milk. Add the cheese, leaving enough to sprinkle on top. Pour into buttered casserole, add milk, sprinkle with cheese. Bake at 350F for about 45 minutes or until custard is set and top is crusty.