The file
Sprinkles on cereal, at breakfast, on purpose. The Sprinkle Genie granted your wish for more sugar, and for two years in the early '90s General Mills let him.
Novelty cereals were built to burn bright and leave, and this one did. It's remembered for the sheer audacity of the concept more than the taste, which was mostly sprinkle.
Sources: Wikipedia — Sprinkle Spangles