Vanilla Cream Pie Filling Or Pudding

Directions

1. 1
   In saucepan mix flour, sugar and salt; add milk gradually, stirring until smooth.
2. 2
   Cook over medium, heat until thick, stirring constantly.
3. 3
   Remove from heat.
4. 4
   Add small amount of cooked mixture to beaten egg yolks, then add this mixture to the cooked mixture.
5. 5
   Return to heat, cooking until it begins to boil.
6. 6
   Remove; add vanilla and butter; cool.