Spaghetti Squash Casserole

Yield:	4 Sweet ones
Categories:	Cheese, Main Dishes, Casseroles, Vegetables, Diabetic

3 1/2	lb	Spaghetti squash; 1 medium* =OR=-
1 1/2	lb	Spaghetti squash; 1 small should = about 1 vegetable for the diabeitic
4		Ripe tomatoes;
3	tb	Olive oil;
2	c	Garlic; minced
1	ts	Salt;
		Fresh ground black pepper;
1/2	c	Mozzarella cheese; shredded
1/4	c	Parmesan cheese; grated
1/4	c	Scallions; chopped
		Grated parmesan for garnish;