If you're looking for candy recipes to make for st. Patrick's day, this green popcorn is a fun one that appeals to everyone. Be sure to use light corn syrup for this green popcorn recipe. The darker syrup can make the popcorn turn yellow. This green popcorn recipe is essentially caramel corn that is colored green. This green popcorn also makes a fun treat for christmas. Just divide the syrup in half and color one half red and the other half green.