- Melt the butter in a large pot over medium heat. Add the onion, garlic and beet stems. Saute until onion is softened and fragrant. 
- Add the sweet potato, lentils and spices. Cook, stirring often for about 5 minutes. Add the broth and allow to simmer for 10 minutes, until sweet potatoes are tender. 
- Add the coconut milk and the beet leaves, and simmer for another 5 minutes, until leaves are bright green and coconut milk is incorporated. Enjoy hot with naan bread or a crusty french loaf.