Chung Jung One Mushroom Soup + 0.63ml Salt
Clean and slice the mushrooms.
Finely chop the onion.
Melt butter in a pot, then sauté the onion and mushrooms.
Add milk and water, then bring to a boil.
Use a hand blender to blend until smooth.
Season with 0.63ml of salt.
Bring to a boil once more, then it's ready to serve.