Carmel Popcorn Balls

2 cups brown sugar
1 cube margarine
1 cup dark caro syrup
1 can sweetened condensed milk
8 quarts of popcorn

Blend sugar, margarine, caro syrup, and milk in a saucepan and boil to soft ball stage. Pour over popcorn and stir to combine. Form into balls.

Source: Heather Hart