Mushroom and vegetable porridge

• 6-8 dried white mushrooms
• 125 g (4 oz) buckwheat groats

Boil the mushrooms briefly, then slice thinly. Mix with the groats and vegetables, thinly sliced and lightly fried, lard, the mushroom liquid and dill. Ad d to 2½ litres (4½ pt) boiling water and coo