For the pasta
01 -
1 lb (450 g) elbow macaroni
02 -
1 tablespoon kosher salt, for the pasta water
03 -
1 tablespoon unsalted butter, for greasing the baking dish
For the cheese sauce
04 -
4 tablespoons (56 g) unsalted butter
05 -
1/4 cup (32 g) all-purpose flour
06 -
2 cups (480 ml) whole milk
07 -
1 cup (240 ml) light cream
08 -
1/2 teaspoon dry mustard powder
09 -
1/2 teaspoon onion powder
10 -
1/4 teaspoon garlic powder
11 -
1 teaspoon kosher salt, plus more to taste
12 -
1/2 teaspoon black pepper
13 -
4 cups (450 g) freshly shredded sharp cheddar cheese, divided
14 -
1/2 cup (50 g) freshly grated parmesan cheese
15 -
1 can (10.5 oz or 298 g) condensed cheddar cheese soup, optional
For the topping
16 -
1 cup (55 g) panko breadcrumbs, optional
17 -
2 tablespoons (28 g) unsalted butter, melted