Polenta and steak may not be a pairing you see every day, but when you taste it, you’ll start to wonder where it’s been all your life. The cornmeal porridge soaks up the drippings from the beef, becoming a swirl of intensely rich and meaty flavors. To balance out all that decadence, we’re introducing green beans and tomatoes, cooked until they burst with tangy juices, plus a balsamic reduction that provides a jolt of fruit-forward acidity.