Annabel Langbein Grilled Lamb Flatbreads

Ingredients

• 1 tbsp extra-virgin olive oil
• 500g/1lb lamb mince
• 1 onion diced
• freshly ground black pepper
• 1 finely grated zest of lemon
• 2 tsp ground cumin
• 1 tsp salt
• 1/4 cup finely chopped parsley
• 2 tbsp lemon juice
• 1/2 cup Greek yoghurt
• 2 tbsp harissa
• 4 cups, plus extra for dusing self-raising flour
• 1 1/2 tsp salt
• 2 cups plain yoghurt (see Note)