01 -
Set the oven temperature to 350°F.
02 -
Bring a large pot of water to a boil and cook the pasta for 3 minutes less than the package instructions to maintain a firm texture. Drain and set aside.
03 -
Heat a large skillet over medium-high heat. Add the Italian sausage, breaking it into small pieces, and cook for 5-7 minutes until no longer pink. Drain excess fat.
04 -
Add minced garlic to the skillet and cook for 1-2 minutes until fragrant.
05 -
Pour the pasta sauce into the skillet, stir to combine, and simmer for 5-10 minutes.
06 -
Stir the cooked pasta and 3/4 cup of shredded mozzarella into the sauce until well incorporated.
07 -
Transfer the mixture into a baking dish. Sprinkle the remaining mozzarella cheese evenly over the top, cover, and bake for 30 minutes until bubbly and cheese is melted.
08 -
Remove the casserole from the oven, top with fresh basil if desired, and serve immediately.