Grandma D's Peanut Brittle
Family Tested & Approved
Cover a cookie sheet with foil and butter the foil. Set aside.
In 6 quart pot, on medium heat, cook syrup, sugar, water and salt to thread stage (280 degrees).
Add vanilla and peanuts; stir.
Add baking soda and turn of heat.
While stirring, move over to your baking sheet; when you've stirred in the baking soda, pour onto buttered foil.
Let cool. Break into pieces to eat/store.