Peel and finely dice the shallots. Put half with fish stock and peppercorns in a small pot. Bring to the boil and reduce to half (approx. 100 ml). Pour through a sieve and let it cool down. Wash salmon, dry, dab and chop into small pieces. Place in a bowl and put in the freezer for about 40 minutes
Soak gelatine in cold water. Whip cream until stiff and chill. Puree the salmon in the universal chopper or with a hand blender. Add fish stock and puree again. Stir in 1 tablespoon of cream. Squeeze out the gelatine and melt carefully. Stir in approx. 2 tbsp. salmon cream, then stir into the remaining cream. Fold in the rest of the cream. Season to taste with salt and pepper. Smooth in the bowl and chill for about 4 hours
Wash the sugar snap peas, clean them if necessary. Melt butter in a pan. Sauté the remaining shallots in it. Add sugar snap peas, peas, lemon peel, lemon juice and 2-3 tablespoons of water, steam for 3-4 minutes. Season to taste with salt, pepper and sugar. With 2 tablespoons dipped in water over and over again, remove dumplings from the mousse. Arrange the mangetout vegetables and mousse on plates. Sprinkle with pistachios and garnish with cress
Waiting time approx. 5 hours