Savory Steak and Pepper Stir-Fry

In 12-inch skillet, heat oil on medium-high until hot. Sprinkle steak with five-spice powder and 1/4 teaspoon salt; add to skillet. Cook 3 minutes or until just browned, stirring occasionally. With slotted spoon, transfer to medium bowl. To skillet, add peppers, onion, 2 tablespoons water, and pinch of salt. Cover; cook 5 minutes or until slightly softened, stirring occasionally. In small bowl, whisk together sugar, soy sauce, cornstarch, 3 tablespoons water, and 1/4 teaspoon freshly ground black pepper until smooth. Add to skillet; heat to simmering. Simmer 1 minute or until thickened. Add beef and any accumulated juices to skillet. Cook 1 minute or until beef is heated through. Serve with rice.