fresh raw salmon, cut into 1/2-inch cubes (you can use whatever sushi fish you like if you don't like salmon),
medium Persian/Lebanese or Kirby cucumber, cut into 1/2-inch cubes,
small red onion, thinly sliced (you can use white or yellow if you don't have the red),
chopped fresh chilies (I like jalapeños or serranos.),
whole stems cilantro, chopped,
soy sauce to start,
chili garlic paste to start (you can also use sriracha or sambal oelek),
toasted sesame oil,
fresh lemon or lime juice to start,
sugar