Cranberries wash, read out. Cook in little water with sugar for about 15 minutes. Wash the meat, dab dry and season with salt and pepper. Heat oil in a pan. Brown the meat well in it and fry for 15 minutes more at low heat.
Clean and wash the cabbage, remove 8 leaves and blanch in boiling salted water for 4-5 minutes. Heat the fat and toss the cabbage leaves in it. Remove the meat and keep warm. Add stock and wine, bring to the boil and add drained cranberries.
Thicken with sauce thickener. Crush juniper berries in a mortar and add to the sauce. Season with salt and pepper. Cut the meat into slices and arrange on plates together with the cabbage leaves and the sauce.
Garnish with chervil. Duchess potatoes taste good with it.