Beef and Sweet Potato Winter Stew

Directions

1.  Sprinkle beef with half each of the salt and pepper.
2. In a large, deep saucepan, heat oil over medium-high heat. Brown beef all over and place on a plate. Reduce heat to medium. Add onion and cook, stirring for 3 minutes. Add ginger, garlic and lemongrass, stirring to coat well. Add broth, remaining salt and pepper and return beef and any juices to the saucepan; bring to a boil.
3. Reduce heat to a gentle simmer; cover and cook for 30 minutes. Stir in sweet potatoes; cover and simmer for about 30 minutes or until beef is tender.
4. In a small bowl, whisk milk and flour until smooth. Stir into stew along with kale and cook, stirring for about 5 minutes or until thickened and kale is wilted. Remove from heat and ladle into serving bowls.
5. In another small bowl, stir together yogurt and cilantro. Dollop on top of stew in each bowl to serve. 

Tip: Remove lemongrass pieces before serving