Preheat oven to 400°; boil large pot of salted water, add half the box of pasta + cook 10-12 min or until al dente, then drain + return to pot

Remove sausage from casings + discard casings; heat 1 tsp oil in skillet over high, add sausage to pan, break into large chunks + sear undisturbed 2 min; flip meat over + break into small pieces; cook 2-3 min until fully cooked + no pinkness remains; set aside

Add ¼-½ sauce, sausage + salt/pep to pasta; toss to coat noodles

Transfer pasta to a lightly oiled baking dish + sprinkle on ½ cup cheese; bake for 15-17 min until cheese is melted + bubbling

Cool pasta bake 5 min before scooping + digging in