They're magically delicious, but will they be our favorite snack?

The oaty, marshmallowy breakfast that's got leprechaun's everywhere chasing rainbows vies for the undisputed championship of junk food this week in honor of St. Patrick's Day and we're chowing down hoping to ingest a little bit of the luck of the Irish.

How many patents are there for cereal marshmallows? How old is Lucky the Leprechaun? Which rabbit's foot is the lucky one? Find out next on Junk Feud!