질문하기
Thinly slice the onion and mushrooms.
Melt butter in a pot and sauté the onions.
Add the mushrooms and sauté together.
Add the flour and mix well.
Pour in the milk and water, and bring to a boil.
Season with salt and pepper, then simmer on low heat.
Blend until smooth using a blender.
Serve in a bowl to finish.
