Corned Beef And Cabbage Soup

• 6 peppercorns
• 6 potatoes unpeeled (new)
• 1 beef flavor bouillon cube
• 1,700 ml water
• 900 gr corned beef
• 800 gr coarsely cabbage (very chopped)
• 60 gr coarsely onion (chopped)
• 3 slices carrots julienne (cut into)
• 2 slices garlic (cloves sliced)