INGREDIENTS
2
Deep Dish Pie Shells, baked according to package directions
1 tbsp
unsalted butter
1/4 cup
diced shallots
1 lb
sliced mushrooms
1/2 tsp
kosher salt
1/2 tsp
dried thyme or 1 tsp. fresh thyme
3 tbsp
cooking sherry
8
large eggs
2 cups
2% milk
1 tbsp
all purpose flour
1/2
tsp, kosher salt
1/4 tsp
fresh ground black pepper
1 tsp
Dijon mustard
2 cups
shredded swiss cheese
1/4 cup
grated Parmesan cheese