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.
Steak can be enjoyed in countless ways. Follow these tips to cook tender, juicy steak you can’t resist.