Buckwheat and mushroom cabbage rolls (with mince beef) | Australian Mushrooms

Ingredients

• 1 large or 2 small wombok* (Chinese cabbage)
• 500 g minced beef
• 1 cup buckwheat
• 2 cups water
• 1 large onion
• 500 g flat mushrooms
• 3 tbsp olive oil
• ¼ tbsp salt
• ¼ tbsp ground black pepper
• 2 cups vegetable stock