01 -
Fill up a big pot with water, salt it, and let it boil. Toss in the penne, cook following the directions on the box, then drain and keep it aside.
02 -
Put a large pan over medium heat, add the ground beef, and cook until it's fully browned. Pour off any extra grease and set the meat aside for later.
03 -
Using the same pan, melt the butter over medium heat. Toss in the garlic and onions, letting them cook until the onions are soft and smell amazing for about 3-4 minutes.
04 -
Mix in the chili flakes (if you'd like) and Italian seasoning. Pour in the beef stock and heavy cream, whisk to combine, and let it cook for a few minutes until it gets slightly thicker.
05 -
Add the cooked beef back into the pan and give it a good stir to coat everything in sauce. Mix in the cooked pasta, making sure it's evenly coated.
06 -
Top it off with some grated Parmesan or a sprinkle of fresh parsley if you like, then serve it up while it's hot.