01 -
Boil a pot of water and cook rigatoni according to package instructions until al dente. Drain and set aside.
02 -
Heat a skillet over medium heat. Add ground beef and chopped onion. Cook until beef is browned and onion is soft, then drain any excess fat.
03 -
Stir in prepared horseradish, beef broth, and crème fraîche to the skillet. Simmer for 3–5 minutes until slightly thickened.
04 -
Toss cooked rigatoni with the sauce. Serve immediately.