Brown the beef with the vegetables

• Brown the ground beef in a pan.
• Add the onion and bell pepper and season to taste.

Add the spaghetti sauce

• Pour in the spaghetti sauce and let it simmer.

Cook the pasta

• Cook the spaghetti until al dente, then drain.

Make the Alfredo sauce

• Melt the butter and add the minced garlic.
• Stir in the heavy whipping cream and Parmesan cheese.
• Season with salt and pepper and let it thicken.

Assemble the casserole

• Place the drained pasta in the casserole dish.
• Add the Alfredo sauce and top with the meat mixture.
• Finish with mozzarella and parsley.

Bake

• Bake at 175 °C, then top with more Parmesan cheese.