For the pasta and bacon
01 -
12 oz (340 g) penne, cavatappi, or rigatoni
02 -
10 oz (285 g) bacon, chopped
03 -
Salt for the pasta water
For the cheese sauce
04 -
2 tablespoons unsalted butter
05 -
1 small yellow onion, finely diced
06 -
3 cloves garlic, minced
07 -
3 tablespoons all-purpose flour
08 -
2 cups (480 ml) whole milk
09 -
1/2 cup (120 ml) heavy cream
10 -
1/2 teaspoon mustard powder
11 -
1/2 teaspoon kosher salt, plus more to taste
12 -
1/4 teaspoon black pepper
13 -
2 cups (225 g) shredded sharp cheddar cheese
14 -
1/3 cup (30 g) grated Parmesan cheese
For the topping
15 -
1 cup (110 g) shredded mozzarella cheese
16 -
2 tablespoons chopped parsley, optional