This recipe is easy to realise and can be prepared in advance. You'll just have to steam the crabs on last minute. For 4 persons, you'll need : 4 blue crabs (or similar) 2 large coriander roots 3 garlic cloves 1 teaspoon white peppercorn 200 g minced pork 1 teaspoon coconut sugar 1 teaspoon fish sauce 2 tablespoons oyster sauce 2 spring onions, chopped 1 egg yolk 1 tablespoon coriander leaves, chopped 2 fresh chillies, finely sliced Prepare the crab : Twist off the claws