Caprese Polenta Burgers #ratingval# from #reviews# reviews Print Recipe Type: Beef Author: Recipe courtesy of The Beef Checkoff, BeefItsWhatsForDinner.com Prep time: 15 mins Cook time: 30 mins Total time: 45 mins Serves: 8 Ingredients 1 1/2 pounds ground beef 2/3 cups balsamic vinegar 1 package (16 to 18 oz.) refrigerated prepared polenta, cut into 8