INGREDIENTS
1
pkg. Cremini mushrooms, fresh
1 cup
Crispy fried onions or shallots
3
pkg. French-cut green beans, frozen
1
Shallot, large
1 8 ounce can
Water chestnuts
6 tbsp
All-purpose flour
1/2 tsp
Black pepper
2 tsp
Kosher salt
1/2 cup
Butter, salted
4 oz
Parmesan cheese
4 cups
Whole milk