INGREDIENTS
1 8 ounce package
penne pasta
2 tbsp
butter
2 tbsp
flour
1 1/2 cups
milk
1/2 cup
half-and-half
1/2 cup
shredded white Cheddar cheese
1/4 cup
grated Parmesan cheese
1 cup
shredded Gruyère cheese, divided*
1 tsp
salt
1/4 tsp
pepper
ground nutmeg