2 lbs. sweet potatoes or or yams, peeled and cut into 3/4-inch cubes
Season beef with curry. Heat 1 tablespoon oil in large nonstick skillet over medium-high heat and brown beef. Remove beef from skillet and set aside.
Heat remaining 1 tablespoon oil in same skillet and cook onion and bell pepper until onion is tender, 4 minutes. Add garlic and cook 30 seconds. Return beef to skillet and add coconut milk, water and Knorr® Beef flavor Bouillon Cubes; bring to a boil. Reduce heat and simmer covered 1-1/2 hours. Add sweet potatoes and cook until beef and potatoes are tender, about 20 minutes.