dried Asian or European/American mushrooms • large courgettes • spray oil • (3) shallots or a medium onion, finely chopped • garlic cloves, finely chopped • thyme leaves, leaves removed • chestnut mushrooms, sliced • mushroom ketchup • porcini paste • truffle paste or fresh truffle (optional) • few grinds salt and black pepper • fat free cottage cheese, sieved •