Originally Posted by JackieMN

This is my favorite one. I give half away because it is so calorie heavy.

2 sticks butter
1/2 cup white Karo syrup
2 cups light brown sugar
1/2 tsp. salt
6 qts. popped corn (about three large microwave bags)
1 tsp. baking soda

Oven 200 to 225

Boil brown sugar, butter, syrup and salt for 5 minutes. Remove from heat and add baking soda, stir well.
Pour over popped corn, mix until well coated. Spread on cookie sheet and place in the oven for one hour.
Turn every 15 minutes. Remove from oven and let cool. I spread on a sheet of parchment paper to cool.
Store in airtight containers.

Enjoy!!