In a large pot over medium heat, cook sliced turkey sausage heat until no longer pink throughout.
Add in lentils, red kidney beans, broth, and water; bring to a boil and lower heat to a simmer.
Keep covered for approximately 30 minutes or until lentils are tender.
Add tomatoes and stir, then add kale and stir until softened.
Optional: sprinkle Parmesan or feta cheese just before serving.