INGREDIENTS
16 oz
rigatoni pasta
12 oz
prosciutto
2
shallots
8 tbsp
butter, divided
3 1/2 cups
milk
1/2 cup
heavy cream
1/2 cup
all-purpose flour
8 oz
Gruyere, grated
12 oz
extra-sharp Cheddar, grated
1 tbsp
salt
1/2 tsp
black pepper
1/2 tsp
ground nutmeg