shrimp (about 1/2 kilogram), peeled as desired, preferably with the head fat left on • set of Tom Yum herbs (galangal, lemongrass, kaffir lime leaves) • Shimeji mushrooms or any mushrooms you like • dried chilies • fresh chilies, or more to taste • Culantro (or cilantro) for garnish • Tom Yum chili paste • Fish sauce • Lime