Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      cup           butter
   2      cups          brown sugar
     1/2  cup           light corn syrup
   1      teaspoon      salt
   1      teaspoon      baking soda
   1      teaspoon      vanilla
   6      quarts        popped corn

Preparation:

Preheat oven to 250°F. Melt butter over low heat, add brown sugar, corn syrup, and salt. Bring to a boil stirring constantly. Boil without stirring for 5 minutes (very important). Remove from heat. Stir in baking soda and vanilla. Gradually pour over popped corn, mixing well. Turn into 2 layers, shallow baking pan sprayed with Pam, or greased. Bake for 1 hour, stirring every 15 minutes. Enjoy.