5 qt. popped popcorn
1 c. butter
2 c. brown sugar
1/2 c. corn syrup
1/2 tsp. baking soda
1/2 tsp. salt
1/2 tsp. vanilla

Place popcorn in lightly greased roasting pan. Melt butter in large saucepan. Stir in sugar and corn syrup. Bring to a boil. Boil for 5 minutes, stirring occasionally. Remove from heat. Stir in salt, soda and vanilla. Pour sugar mixture over popcorn. Stir to evenly coat. Bake at 250 degrees for 1 hour. Stir every 15 minutes.