Tip - Old-fashioned popcorn balls recipe (1950) - Click Americana

Old-fashioned popcorn balls 1 cup Karo Syrup, Blue Label or Green Label 1 cup brown sugar 1/4 cup water 1 teaspoon vinegar 2 tablespoons butter or margarine 2 quarts unsalted popcorn Combine first four ingredients in saucepan. Cook over medium heat, stirring constantly until mixture boils. Continue cooking, stirring almost constantly to hard ball stage …