Blogger (#UKBA14 finalist), knitter, wife, more -ers! Why Sue’s Trifles? Trifle has been one of my favourite desserts since childhood. A trifle has three layers. Jelly, custard and cream.The jelly layer may also contain sponge, sherry and sometimes fruit depending on the recipe. o tasting a trifle may produce a pleasant surprise. I hope that you, my readers, will have some pleasant surprises in my future posts.