canned fish (such as sardines in tomato sauce) • tom yum herbs, washed and sliced (lemongrass, kaffir lime leaves, galangal, etc.) • culantro (or substitute with cilantro), chopped • tomatoes, halved • straw mushrooms, halved (or substitute with button mushrooms) • red Thai bird’s eye chilies, roughly crushed • fish sauce (60 ml) • salt • limes • Chili powder, to taste