01 -
3 tablespoons of butter (unsalted).
02 -
8 ounces of sliced mushrooms.
03 -
1 cup of chopped onion.
04 -
2 tablespoons plain flour.
05 -
1 cup milk or substitute with half-and-half.
06 -
Salt to taste (use kosher if preferred).
07 -
Add ground pepper as desired.
08 -
2 cups boiled, diced potatoes.
09 -
2 cups of cooked chicken, cubed.
10 -
1 cup soft bread crumbs (optional).
11 -
2 tablespoons melted butter for topping (optional).
12 -
1 cup shredded cheese (like cheddar or Monterey Jack, optional).