Chocolate and Hazelnut Tart

This is a recipe developed over the years by my long-suffering and peerless pastry chef, George Harvey, who is the most reliable person I know – in all the ten years he has worked at my Blandford Street restaurant, I’ve never known him serve anything that wasn’t as good as it should have been. In a lesser person this would look like perfectionism bordering on the obsessional, but with George it is as normal as getting from Land’s End to John O’Groats (he cycles for charity). Too good to be