Vomiting white foam can also be caused by illnesses of the digestive tract that need further treatment. Illnesses that can cause vomiting include hepatitis, pancreatitis, diabetes, and kidney disease. If the vomiting persists a few days, even with a bland diet, consult your veterinarian.
Bake the squash for 40-45 minutes. Bake it until it's tender. After 35 minutes, start poking it with a fork to check to see how tender it is. Then, remove the squash from the oven.
1 Cook for about 15 minutes, or until you have a medium thick sauce.  Remove squash strands with a fork, reserving the shells. Layer each half with a spoonful of the sauce, a layer of spaghetti squash strands, olives, and mozzarella cheese. Repeat layers until shells are full, or until all of the ingredients are used.