This Sausage & Kale Spinach Or Swiss Chard Frittata is a delicious and nutritious dish that is perfect for breakfast, brunch, or even dinner. It is packed with protein from the sausage and eggs, and loaded with vitamins and minerals from the kale, spinach, or Swiss chard. The frittata is easy to make and can be customized with your favorite ingredients. It is a great way to use up leftover vegetables and is a filling and satisfying meal.