And that means it's time for your dinner to freak you out.
Begin with the sauce. Cook the onion down until soft then add the gochujang and passata. Cook the sauce down until thick. C
Cook the pasta until just al dente and squeeze the sausages from their shells.
Use a piping bag or spoon to get the sausage meat into the centre of each piece of pasta. Spoon 3/4 of the passata into a baking dish and top with the pasta shells.
Spoon a little of the sauce over the "eyeballs" and cut the mozzarella into small circles. Place these in the centre of each pasta piece and top with an olive - you can paint lines around the "pupil" to make it look more spooky.
Bake for around 30 minutes or until the sausage is cooked through.