sure it is fully dissolved and absorbed before adding more milk. when the cornstarch is fully blended, add this and all other ingredients, except the vanilla, to the cooking pan. stir constantly over medium heat until the mixture becomes thick. remove the heat and stir in the vanilla. pour the mixture into the waiting pie shell and sprinkle with nutmeg. the pie may be eaten while it is still warm, as long as it has cooled enough to set. or the pie may be chilled and eaten later.
soak the oats in warm water for 15 to 20 minutes until soft and slightly swollen. mix them with all other ingredients in 