01 -
Preheat the oven to 175°C.
02 -
Cook Italian sausage in a skillet over medium heat until browned and cooked through, breaking into small pieces.
03 -
Boil rigatoni in salted water according to package instructions until al dente. Drain thoroughly.
04 -
In a large oven-safe dish, mix cooked sausage, drained rigatoni, and spaghetti sauce until evenly combined.
05 -
Sprinkle shredded Parmesan cheese over the mixture, then arrange pepperoni slices evenly on top.
06 -
Bake in the preheated oven for 20 to 25 minutes, or until the sauce bubbles and the cheese is melted.