Cover potatoes and Knorr® Chicken Bouillon Cube and Knorr® Chicken or Vegetarian Vegetable Bouillon Cube* with water in large saucepot. Bring to a boil over high heat. Reduce heat and cook uncovered 10 minutes or until potatoes are tender. Drain; DO NOT RINSE. Let cool slightly.
Combine cooled potatoes with Hellmann's® Real Mayonnaise in large bowl. Serve chilled or at room temperature. Garnish, if desired, with parsley and black pepper.