Butter the molds and set them aside. Put all but 6 pieces of the crab in a food processor, add the cream, the milk and the eggs. Mix until it comes together and is smooth. Add salt and pepper. Mix well.
3
Put one piece of crab in the bottom of each mold. Cover with the flan mixture. Cover with chopped chervil. Put the molds in a bakingdish and fill it to 2/3 full with hot water. Bake the flans in the oven for 15 to 20 minutes.
4
Garnish the flan with scampi oil or a beurre blanc.