Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
 418      gram          canned pink Alaska salmon
  15      grams         gelatin
  50      grams         smoked salmon -- - finely chopped
   1 1/2  teaspoons     minced fresh root ginger
 150      milliliter    Greek strained yogurt
 175      gram          curd cheese or quark
   2                    egg whites
   2      large         grapefruits
   1      tablespoon    walnut oil
   2      tablespoons   grapefruit juice
                        mixed colored salad leaves
                        avocado for garnish

Preparation:

Drain the can of salmon. Heat the juice to almost boiling then sprinkle over the gelatin. Stir gently until completely dissolved. Mash the two types of salmon into a bowl and beat in the yogurt, cheese and 1 teaspoon of the ginger. Stir in the dissolved gelatin and cool until the mixture is just beginning to set. Whisk the egg whites until they form stiff peaks. Fold these into the salmon mixture then pour into a single 90 ml / 1 1/2 pint fish mold or two 450 ml / 3/4 pint moulds. Put into a refrigerator and leave until completely set. Peel the grapefruits and remove the pith from around each segment. Put the segments into a bowl along with the remaining ginger, walnut oil and grapefruit juice. Mix well and allow to stand for about 1 hour to marinade. Arrange the salad leaves and avocado on serving plates and very carefully turn the mousse out onto them. Just before serving, arrange the marinated grapefruit segments onto the salad and sprinkle the juices over. Cook's Note: To turn out the mousses more easily, first dip the moulds into hot water to loosen the sides then invert them onto the serving plates. Pick up the plates and very gently shake from side to side. The mousses should drop out