Serve up one of these casserole dishes as your main course for dinner tonight. With ingredients like whole grains, chicken, fish and legumes, these balanced meals are fitting for the Mediterranean diet, one of the healthiest and easiest eating patterns to follow. Recipes like our Chicken Spaghetti Casserole and Cheesy Black Bean & Quinoa Skillet Casserole are healthy and tasty options when you’re craving something warm and cozy.