Moroccan meatball tagine recipe

Ingredients

• 2 tbsp olive oil
• 2 large onions, peeled and sliced
• 2 large garlic cloves, crushed
• 1 tbsp paprika
• 1 tbsp turmeric
• 1/2 tsp cinnamon
• 1/2 tsp ground ginger
• 400g can chopped tomatoes
• 250ml (1 cup) beef stock
• 1 tbsp lemon juice
• 2 trays chevap sausages
• 400g can chickpeas, rinsed and drained
• 2 quarters preserved lemon, pulp removed, rinsed and chopped
• 100g pitted olives