Carmel Popcorn

7 1/2 qts. popped corn
3 cups brown sugar
3/4 cup karo syrup
1 1/2 cup butter
1 1/2 tsp. salt
1 1/2 tsp. baking soda
1 1/2 Tbsp. vanilla

Spread popcorn in 2 roasting pans. Mix brown sugar, butter, karo syrup and salt over med. heat (* Use a large saucepan, as the mixture will rise). Boil 5 minutes stirring constantly. Remove from heat. Add soda and vanilla. Pour over popcorn and mix well. Bake in 200 degree oven 45 to 60 minutes stirring every 15 minutes. Pour out on waxed paper to cool. Keep in air tight container.