The 4 components of a trifle are the fruit, the custard, the "cake" and the whipped cream. And please, do not call this a "dump" or "compost" cake! So much more sophisticated than that, it is the original layered beauty, bright with elegance, so sublime, and a worthy finale for your finest feast.
Trifles can be made as individual desserts as well by layering the components into your best stemware. However you choose to