For the meatloaf base
01 -
1.5 lb (680 g) ground beef (80/20)
02 -
1/2 cup (60 g) breadcrumbs
03 -
1 large egg, beaten
04 -
1/4 cup (60 ml) whole milk
05 -
2 tablespoons ketchup
06 -
1 tablespoon Worcestershire sauce
07 -
1/2 small yellow onion, finely diced
08 -
1 teaspoon garlic powder
09 -
1 teaspoon salt
10 -
1/2 teaspoon black pepper
For the mac and cheese topping
11 -
12 oz (340 g) elbow macaroni
12 -
3 tablespoons unsalted butter
13 -
3 tablespoons all-purpose flour
14 -
3 cups (720 ml) whole milk, warmed
15 -
3 cups (340 g) shredded sharp cheddar cheese
16 -
1 cup (115 g) shredded mozzarella cheese (optional)
17 -
1/2 teaspoon salt
18 -
1/4 teaspoon black pepper