Grilled Mushrooms with Lemon Sauce

This recipe is of Japanese origin, simple but unusual and quite delicious. It offers a different way to enjoy fresh mushrooms and is a perfect side dish to enliven a barbecue. The mushrooms may also be cooked under the grill, so the dish may be savoured indoors during the winter as well, missing only the smokey barbecue flavour. For an authentic taste, try to obtain Japanese sake for the sauce; if it cannot be found, rice wine or dry sherry are acceptable substitutes. The lemon sauce can be