salmon fillets (remove the skin and cut into 2~3 pieces each and sprinkle salt and pepper on it, both sides) • flour (or potato starch) for coating salmon • onion, peeled and shredded • carrot, peeled and shredded • green bell pepper, seeded and thinly sliced • vegetable oil for frying each • Marinade: • * 200 ml water +2 g konbu (kelp) • * 150 ml vinegar • * 2 Tbsp sake, soy sauce, mirin • * 5 Tbsp sugar • * 1 tsp salt