01 -
In a large pot of boiling salted water, cook pasta according to package instructions; drain well.
02 -
Heat olive oil in a large cast iron skillet over medium-high heat. Add ground beef and cook until browned, about 3-5 minutes, making sure to crumble the beef as it cooks; drain excess fat. Set aside.
03 -
Add onion to the skillet, and cook, stirring frequently, until translucent, about 2-3 minutes.
04 -
Stir in garlic and Italian seasoning until fragrant, about 1 minute.
05 -
Whisk in flour until lightly browned, about 1 minute.
06 -
Gradually whisk in beef stock and tomato sauce. Bring to a boil; reduce heat and simmer, stirring occasionally, until reduced and slightly thickened, about 6-8 minutes.
07 -
Stir in pasta, beef and heavy cream until heated through, about 1-2 minutes; season with salt and pepper, to taste.
08 -
Stir in cheese until melted, about 2 minutes.
09 -
Serve immediately.