1 pound boneless chicken meat diced
3 cups chicken stock
3 1/2 ounces straw mushrooms
6 halved cherry tomatoes
1 fresh lemon grass stem cut into short lengths
2 or 3 kaffir lime leaves, torn
3 tablespoon nam pla
4 tablespoon fresh lime juice
1/2 teaspoon sugar
5 or 6 prik ki nu, just broken with pestle
Place the stock in a pot, add the lemon grass and kaffir lime leaves, and bring to boil over medium heat. Add the chicken meat, mushroom, fish sauce, lime juice, and sugar; cook slowly and uncovered for 10 minutes. Do not stir. Then add the tomatoes and chilies and cook for 5 more minutes. Remove from heat