INGREDIENTS
2 cups
dried pasta shells
3 tbsp
butter
3 cups
sliced crimini mushrooms
10 oz
cooked smoked sausage, sliced
1
shallot, thinly sliced
2 tbsp
all purpose flour
2 cups
whole milk
1 1/2 cups
shredded mozzarella
2 cups
shredded swiss cheese
1 tbsp
thyme