Chicken and Broccoli Alfredo Stuffed Shells

INGREDIENTS

12 oz

box Jumbo Shells

2 1/2 cups

chicken (, cooked and shredded (I use rotisserie))

1 1/2 cups

broccoli (, steamed and chopped)

3 tbsp

unsalted butter

3 cloves

garlic (, minced)

1 cup

heavy cream

1 1/4 cups

whole milk

2/3 cup

freshly shredded Parmesan

3/4 cup

freshly shredded mozzarella cheese (, divided)

large egg yolks (, beaten)

Salt and freshly ground black pepper (, to taste)