Place the stainless steel inner pot inside the Instant Pot®. Press Saute and set time to 15 Minutes. Add the oil. Once the oil is hot, add the cooked gizzards, season, and fry for 3 Minutes. Then add onion, tomato, and yellow pepper, fry for about 2-3 Minutes and add the soy sauce and vinegar. Finally, top with chopped coriander and check for salt.