Flyerwife - I would definitely say that the diet pepsi was the problem. There are only two (well, maybe more than two, but these are the definitive two!) ways to eat these - with milk (purists love this) and crumbled over ice cream. Vanilla, chocolate and peppermint work well for this. My daughter also likes to put hershey's syrup on top of the whole concoction. I suppose you could just dip in the syrup too.