01 -
Cook rigatoni in a large pot of salted boiling water until al dente. Once tender yet firm, drain thoroughly and set aside.
02 -
Heat olive oil in a large skillet over medium-high heat. Add diced onions and cook for 2–3 minutes until soft and translucent.
03 -
Add ground beef to the skillet. Break up meat with a spatula and cook for 6–8 minutes until completely browned with no pink remaining. Drain excess grease from the skillet.
04 -
Sprinkle Italian seasoning, onion powder, garlic powder, salt, and pepper evenly over the cooked beef. Stir well to coat and let cook for 1 minute to bloom the flavors.
05 -
Pour the pasta sauce and heavy cream into the skillet. Stir to thoroughly combine with the seasoned meat and heat until the mixture just begins to simmer.
06 -
Add the drained rigatoni to the beef and sauce. Fold together gently to ensure every piece of pasta is coated evenly.
07 -
Transfer the pasta and beef mixture into a greased large baking dish, spreading into an even layer.
08 -
Sprinkle shredded mozzarella over the entire surface of the casserole for even coverage.
09 -
Place the baking dish in a preheated oven at 175°C (350°F) for 10–15 minutes, or until cheese is fully melted and bubbling. If cheese browns too quickly, tent loosely with foil.
10 -
Remove from oven and allow to rest 5 minutes. Serve hot, garnished with fresh herbs if desired.