Cod fish soup recipe

Ingredients

• 2 cod fish fillet, pat dry and marinate lightly with salt
• 2 shitake mushrooms (soaked if using dried ones)
• 1/2 onion, quartered
• 1/2 corn on the cob, sliced
• 3 pieces fresh ginger
• 3 cups chicken broth
• 1 teaspoon of sake
• Salt, to taste
• Few drops of fish sauce