Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1                    Egg Yolk -- slightly beaten
     1/4  Cup           Butter
     1/4  Cup           Water
     2/3  Cup           Brown Sugar
     1/3  Cup           Light Corn Syrup

Preparation:

Combine ingredients and mix well. Cook in double boiler until thick, stirring frequently. Stir before using.