A quick and easy saute with the flavors of the Mediterranean in a light sauce. I like this served over basmati rice: the fragrant rice compliments the lemon and oregano and makes a nice meal. And the rice cooks in the time it takes to make this entree, so everything is ready at the same time. A note on the use of arrowroot instead of cornstarch: Arrowroot is a good thickener for an acidic liquid (Cornstarch loses potency in acids.) It is also a good choice if your sauce is mildly flavored. When you're looking for a high-gloss finish, use arrowroot.