Pie!
pastry, tart, timbale, quiche, trifle, tipsy cake, strudel, puff?
or
mere child's play, simple twist of the wrist, cinch, snap, pushover, duck soup, piece of cake, sitting duck?
Isn't language a wonderful game to be played at any time, in so many situations, using so many word combinations. Vocabulary is so important, but so often left aside.