I've used ground flaxseed, which I think is a bit less «trendy» but has equally great pudding - creating qualities! (nourisheveryday.com)
I hear chia seeds makes great pudding, which is on my must try list soon! (mymenupal.com)
In the heat of summer, off to Rules Restaurant, home of heavy meats and stonking great puddings, to mark the departure from The Times of the most heavyweight of British political commentators. (totalpolitics.com)