Cut spaghetti squash in half.
Boil the squash in a pot of water until tender.
Heat olive oil in a frying pan and saute the ground beef and onions until done.
Add in the spaghetti squash flesh, canned tomato and bouillon and saute for a couple of minutes.
Pour the mixture into the spaghetti squash and top with shredded cheese.
Original article and pictures take https://www.tastemade.com/videos/spaghetti-squash-gratin site