Chinese steamed dumplings

Ingredients

• 200 g minced meat
• 1/3 courgette
• 1/4 onion
• 1 cabbage leaf
• salt
• black pepper
• 1 tablespoon soy sauce
• 1 cm piece fresh ginger
• 1 garlic clove
• fresh parsley
• a little olive oil
• 2 tablespoons balsamic vinegar
• 3 tablespoons soy sauce
• 1 cm piece fresh ginger
• a little olive oil