Some think that using canned tomatoes to make tomato sauce in the dead of summer is insane, but I think not. Grabbing a can or two from the pantry to make the slightly sweet, tangy and brightly-flavored tomato sauce you’re craving seems like a laudably expedient way to get the job done. And once you have it on hand, you can use it to accent fast and flavorful dishes such as these crispy polenta medallions.
