Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/4  cup           butter -- softened
     2/3  cup           sugar
   2                    eggs
   3      tablespoons   all purpose flour
     3/4  cup           evaporated milk
     1/4  cup           water
   1      teaspoon      vanilla
   1                    unbaked 9 inch pastry shell

Preparation:

Cream butter; gradually add sugar, beating well. Add eggs, one at a time, beating well after each addition. Add flour, and mix thoroughly. Stir in milk, 1/4 c. water, and vanilla. Pour custard mixture into pastry shell. Bake at 400 F for 20 minutes. Reduce heat to 300 F, and bake an additional 15 minutes. Cool. Refrigerate until thoroughly chilled.