1 c. milk
1/2 c. water
1 c. brown sugar
6 tbsp. flour
3 beaten egg yolks
1 tsp. vanilla
1 tbsp. butter

Bring milk and water to a boil, but DO NOT scald. Remove from heat and add brown sugar and flour. Blend well. Bring back to a rolling boil for 1 minute. Remove from heat and add the vanilla and butter. Stir until well blended and pour into a baked graham cracker crust. Serve with either whipped cream or a meringue topping.