Boil Rigatoni untill aldente then add alot of Parmesean cheese

Use a springform pan, add some marinara at the bottom and place the pasta all around as shown.

Should look like this

Add cooked ground beef (heat some olive oil, add onions and ground beef, salt and pepper and cook) then add marinara sauce after done.

Add mozzarella cheese on top. and into the oven until melts.

Let cool before removing springform.