8 qts. popped corn
1 c. dark Karo syrup
2 c. white sugar
2/3 c. brown sugar
3 cubes butter
1/2 tsp. salt
2 tsp. vanilla

Boil all the ingredients together, except the popped corn and vanilla. Boil for 3 minutes. Stir in vanilla and pour this over the popped corn which has been put in a large container that has been buttered. Mix very well.