1 pound crab sculls
15 cloves garlic
7 hot chiles
1 teaspoon cilantro root
2 tablespoons lime juice
1 tablespoon nam pla
Place the crab sculls in a steamer in which the water is boiling and steam about 15 minutes, then remove and arrange on a serving platter. Serve with a bowl of sauce made ny pounding the garlic, cilantro root and chiles in a mortar until thoroughly ground and mixed, seasoning to taste with nam pla and lime juice.