Vegetarian Lasagna Super healthy and super easy to make vegetarian lasagna recipe. It has lots of veggies and not very many noodles. 8 servings 24 oz. spaghetti sauce ½ cup grated carrots ½ teaspoon oregano 6 lasagna noodles 16 oz. ricotta cheese 10 oz. frozen chopped spinach, thawed and well-drained 2 eggs 1 ½ cups thinly sliced zucchini 1 cup sliced mushrooms 3 cups shredded mozzarella cheese ½ cup grated parmesan cheese