Look for it in the refrigerated section of Vietnamese or Thai shops ... for seasoning – it might need more lime juice. Halve the cherry tomatoes and put them in the bowl with the corn.

1-2 Thai bird's eye chilies (crushed; adjust for spice level) - 1 small piece of galangal (sliced thinly, about 5-6 slices) - 1 medium tomato (quartered) - 5-6 mushrooms (button or straw mushrooms ...