1 Piece ginger (2"); peeled and coarsely chopped
1 lg Onion; coarsely chopped
1 Red bell pepper; coarsely chopped
4 Ripe tomatoes; coarsely chopped
4 c Fish stock
1 tb Fish sauce (Nam pla)
1/4 ts Cayenne
4 c Coconut milk
24 Prawn tails
3/4 c Cilantro; finely minced
1/2 c Parsley; finely minced

Place the ginger, onion, red pepper and tomato in the food processor until smooth. Transfer to a heavy casserole and cook at high heat, stirring, for 3-4 minutes, Add the fish stock, fish sauce and cayenne, and stir to mix well. Bring to a boil, turn the heat down and simmer for about 10 minutes. Add the coconut milk and prawns and cook on hihg heat stirring, for about 3 minutes. Turn down to a simmer and cook anothe 3 minutes. Stir in the cilantro and parsely before serving. Taste and adjust seasonings by adding more fish sauce and cayenne.