STEP 1/4
Slice three mushrooms and chop the rest. Chop the onions finely, chop the chicken breast finely, and marinate it in Cheongju.
STEP 2/4
Dissolve 2 tablespoons of butter in a heated pan, add flour, and stir-fry slowly over low heat to make roux.
STEP 3/4
Melt two teaspoons of butter in a pot and stir-fry chicken breast, button mushrooms, and onions, and when the chicken is cooked to some extent, add milk, water, and chicken broth and boil over medium heat.