Mixed Nut Brittle

Directions

1. 1
   Grease a baking sheet with 1 1/2 t.
2. 2
   of the butter; set aside.
3. 3
   In a large saucepan, combine the sugar, water and corn syrup.
4. 4
   Cook over medium heat until a candy thermometer reads 270F (soft-crack stage), stirring occasionally.
5. 5
   Add the nuts; cook and stir until the mixture reaches 300F (hard crack stage).
6. 6
   Remove from heat; stir in vanilla and remaining butter.
7. 7
   Add baking soda and stir vigorously.
8. 8
   Quickly pour onto prepared baking sheet.
9. 9
   Spread with a buttered metal spatula to 1/4 inch thickness.
10. 10
    Cool before breaking into pieces.