Whole-Wheat Lasagna with Lentils and Mozzarella Crème

Lentils, which are high in iron and plant proteins, are a common ingredient in many Mediterranean stews and salads. The many different types vary hugely in flavor and structure: from rich and earthy to sweet and nutty, and from silky soft to firm. I often sprinkle them into a green salad or a soup, and I also use them in everyday dishes like the lentil ragu and in this recipe, one of my family’s favorite lasagnas.