Russian Toffee

Directions

1. 1
   mwlt butter, corn syrup and condensed milk in large heavy pan.
2. 2
   add brown sugar.
3. 3
   bring to a boil.
4. 4
   stir constantly until candy therometer registers firm/hard ball stage.
5. 5
   stir in pecans and vanilla.
6. 6
   pour onto greased 11x17 inch baking sheet.
7. 7
   cool.
8. 8
   wrap in waxed paper.