Mellowscotch Pie

Directions

1. 1
   Combine brown sugar, salt and water.
2. 2
   Boil over moderate heat to a thick syrup (about 5 minutes).
3. 3
   Mix 1/4 cup milk and cornstarch to thin paste.
4. 4
   Add 1 3/4 cups cold milk, then combine with hot syrup.
5. 5
   Cook until thick and smooth, stirring constantly. Stir a small amount of mixture into beaten egg yolks; return to mixture.
6. 6
   Cook a few minutes longer.
7. 7
   Add butter and vanilla. Cool.
8. 8
   Pour into shell.