Spicy mushroom lasagne
By Yotam Ottolenghi From Saturday Kitchen Ingredients 750g/1lb 10oz chestnut mushrooms halved 500g/1lb 2oz oyster mushrooms 135ml/4½fl oz olive oil, plus extra for greasing 60g/2¼oz dried porcini mushrooms 30g/1oz dried wild mushrooms 2 dried red chillies, seeds removed and roughly chopped 500ml/18fl oz …