Spiced chickpeas, kumara and beef soup

Ingredients

• 2 tablespoons olive oil
• 750 grams beef chuck steak, cubed
• 1 onion, chopped
• 3 carrots, roughly chopped
• 2 celery stalks, chopped
• 1 tablespoon ground cumin
• 1 tablespoon ground coriander
• 1 teaspoon dried chilli flakes
• 4 cups chicken stock
• 500 grams kumara, peeled, chopped
• 400 grams can chickpeas, rinsed, drained
• 1 cup parsley leaves, chopped
• Bread and kale topping
• 75 grams butter, chopped
• 200 grams sourdough, torn
• 1/2 bunch kale, trimmed, leaves torn