Popsugar Living Casseroles Healthy Meatless Casseroles 20 Meatless Casseroles That Almost Require No Effort 7 April 2018 by Emilia Benton View On One Page Photo 18 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 18 Southwest Black Bean and Polenta Casserole Get the recipe: southwest black bean and polenta casserole Previous Next Start Slideshow CasserolesHealthy RecipesHealthy LivingHealthy Eating TipsVegetarian