2 gallon popped popcorn
2 to 3 c. brown sugar
1/2 c. light Karo
2 sticks butter
1 tsp. salt
1/4 tsp. cream of tartar
1 tsp. baking soda to be added when mixture forms a hard ball

Pour over popped corn. Bake in oven one hour at 200 degrees. Stir twice during baking. Cool and break.