Carmel Popcorn

I got this recipe from my cousin, Heather.

6 quarts popped corn
2 sticks butter
2 cups brown sugar
1/2 cupscorn syrup

Boil 4 minutes, stirring constantly. Remove from heat. Add:

1/2 tsp. cream of tartar
1 tsp. salt
1 tsp. baking soda

Stir well. Pour over popcorn. Cool on a cookie sheet or wax paper.