A glass of Port, Madeira or Marsala is just the thing to elevate chocolate and Simnel cakeVinte Vinte Chocolate and Port Tasting Box, Douro, Portugal NV (from £22, amazon.co.uk; virginwines.co.uk; tanners-wines.co.uk) For those of us who treat Easter as a kind of secular spring-Christmas, featuring similarly liberal doses of chocolate and booze, recent movements in the trades have conspired to make next weekend more expensive than ever. Thanks to a run of poor harvests in west Africa, coco