Original Pinner: "This is seriously the best caramel corn you will ever make. It's my great-grandma's recipe. I was just BARELY given permission to share it. We've been keeping it a secret because it's THAT good.karo syrup is corn syrup.
Marshmallow popcorn - 3 bags popcorn 2 sticks of butter 16 oz bag of marshmallows 1 cup brown sugar. Microwave butter, marshmallows, and brown sugar for 2 min. Microwave again for 1 min. Repeat until you get a thin sauce. pour over popcorn and mix.