Ingredients:
- Century Tuna Corned Tuna
- chopped onion
- 1 tbsp vinegar
- 1 tsp soy sauce
- 1 egg
- cooking oil
- string beans (for garnish)

Procedure:
1. Cook in low heat first the tuna in oil for 2-3 minutes.
2. Add the vinegar.
3. Add the soy sauce and let it simmer for 2-3 minutes.
4. Add in the onion.
5. Set aide the tuna and cook the egg.
6. Serve with some fried string beans for garnish.
7. Enjoy!