I just got back from a jaunt down to London's Oxford Circus and happy to report that everything's just as it should be. Flowers and heart shaped balloons everywhere, stores decked out in pink and red and almost all guys on the bus carrying elaborately wrapped gifts. Pretty much your typical Valentine's Day. Selfridges (one of my favorite stores) had long queues in front of chocolate and macaron counters. It's gotten slightly warmer here so I treated myself to Pinkberry frozen yogurt instead. And here's another treat. A chocolate exploding cake , courtesy none other than legendary Heston Bluementhal. Heston does a weekly show on BBC here. He picks an ingredient and shows simple yet quirky dishes on the theme. The week he picked chocolate, he made this cake. It's very quick to put together and is way too simple on first glance. But nothing's simple in Heston's world. The bottom layer is store bought shortbread cookies, baked again until they ar...