Heinz Spotted Dick Sponge Pudding

Funny as it sounds, Spotted Dick is a cake, popular in Britain, that has dried fruit that resembles spots, and is typically served with custard. So where did the word "dick" come from? It is hypothesized that it comes from a contraction of the word pudding, the last syllable, but that's ding, not dick.
This Post Belongs To Most Inappropriate Product Names