INGREDIENTS
•
1/2 cup (1 stick) unsalted butter, divided
•
1/4 cup all-purpose flour
•
3 cups whole milk
•
1 tablespoon kosher salt plus more
•
1/2 teaspoon freshly ground black pepper plus more
•
1 pound elbow macaroni
•
2 cups shredded cheddar, divided
•
2 garlic cloves, chopped
•
1 cup panko (Japanese breadcrumbs)
•
2 tablespoons chopped flat-leaf parsley