To the boiling chicken stock, add the chopped onion,
Meanwhile cut the kidneys in half and remove the fat and tubes, then plunge into cold water containing the vinegar and soak for 15 minutes.
Presoak a clay pot, top and bottom, in water for 10 minutes.
Place the rice in the bottom of the presoaked pot, then add the kidneys, mushrooms, thyme, shallots, bay leaves, red wine, and remaining salt.
Cover the pot and set it in a cold oven.
© 1974 All rights reserved. Published by Echo Point.