Herbed-Yogurt Baked Tomatoes

Yield:	4 Servings
Categories:	Vegetables

1/2	c	Plain nonfat yogurt
1	ts	All-purpose flour
1/2	ts	Dried whole marjoram
1/4	ts	Salt
1/4	ts	Ground pepper
2	lg	Unpeeled round red tomatoes, (1 pound)
		Vegetable cooking spray
1/4	c	Grated fresh Romano cheese