Clean, wash and chop the spring onions. Wash apples thoroughly, quarter and core them. Cut the flesh into slices. Rinse liver cold, dab dry, chop and fry in hot fat while turning for about 10 minutes.
Season with salt and pepper. Wash the marjoram and pluck the leaves from the stalks. Add apple, spring onions and marjoram leaves, pour on apple juice and cook for 5 minutes. Season if necessary.
For the puree, boil 1/2 litre of water and a level teaspoon of salt. Remove from the heat and add milk. Stir in the puree flakes, stir again after 1 minute. Arrange marjoram liver and mashed potatoes on 4 plates.
Garnish with herbs as desired.