01 -
1 (15-count) package mini filo shells, thawed.
02 -
1 tablespoon butter, for sautéing.
03 -
½ cup finely chopped fresh mushrooms, for the filling.
04 -
1 tablespoon flour, for thickening.
05 -
¾ - 1 cup heavy cream, for the sauce.
06 -
1 cup chopped frozen green beans, thawed.
07 -
⅛ cup grated Parmesan cheese, for flavor.
08 -
1 pinch onion powder, for seasoning.
09 -
Salt and pepper to taste.
10 -
¼ cup French fried onions, for topping.