Cook beef, cabbage and onion in large nonstick skillet over medium-high heat, stirring frequently and breaking up ground beef, until beef is browned, about 5 minutes. Add garlic and cook, stirring, until fragrant, about 30 seconds.
Stir in 2 cups (500 mL) water and Knorr® Sidekicks® Harvest Chicken Rice & Vermicelli Side Dish and cook according to package directions, stirring in tomatoes during last 3 minutes of cook time.
Stir in vinegar. Garnish, if desired, with chopped fresh parsley.