For the pasta and beef
01 -
12 oz (340 g) penne pasta
02 -
1 lb (450 g) ground beef (85/15)
03 -
3 tablespoons unsalted butter, divided
04 -
1 small yellow onion, finely diced
05 -
4 cloves garlic, minced
06 -
1 teaspoon Italian seasoning
07 -
1/2 teaspoon red pepper flakes (optional)
08 -
Salt and black pepper
For the creamy cheese sauce
09 -
1 cup (240 ml) heavy cream
10 -
1/2 cup (120 ml) beef broth
11 -
1 cup (110 g) shredded low-moisture mozzarella
12 -
1/2 cup (45 g) grated parmesan cheese
13 -
2 tablespoons fresh parsley, chopped