Tasty Meatballs

WHAT YOU'LL NEED

• 500 grams lean beef mince (pork or veal)
• 1 egg beaten
• 1 slice white bread without crust
• 1 onion finely chopped
• 1 clove garlic finely crushed
• 1 teaspoon mustard (mild)
• 1 teaspoon ketchup
• 1 teaspoon chopped fresh mixed green herbs
• 1 Knorr Beef Stock Cube