German Meatballs

• 1 onion
• 1 worcestershire sauce salt
• 1/2 head cabbage (red)
• 290 gr all-purpose potatoes
• 130 gr veal (lean ground)
• 130 gr pork (lean ground)
• 110 gr bread crumbs (fresh)
• 45 ml vegetable oil
• 30 ml wine (white)
• 16 ml lemon juice (fresh)