Wash the potato thoroughly, peel it, and cut it into appropriate sizes.

Crack 2 eggs into a bowl, add 1 tbsp of tuna sauce, and mix well.

Chop the green onion into small pieces.

Pour 800ml of broth into a pot.

Add the potato pieces to the broth and cook until tender.

Add 1 tbsp of soy sauce, 1 tsp of salt, and pour in the egg mixture. Adjust the seasoning with additional salt if needed.