Lamb, harissa & cauliflower shepherd's pie - Good Food Middle East

Ingredients

• 3 tbsp olive oil
• 1kg lamb mince
• 1 cauliflower (about 800g)
• 2 large onions , finely chopped
• 3 celery sticks , finely chopped
• 3 carrots , finely chopped
• 4 bay leaves
• 4 garlic cloves , finely chopped
• 2 tsp ground cumin
• 1 tsp ground coriander
• 1 tsp caraway seeds
• 4 tbsp tomato purée
• 500ml chicken stock
• 4 tbsp harissa
• 200g frozen peas
• 1kg potatoes , cut into small chunks
• 100g butter
• 75ml milk
• 1 egg yolk (optional; freeze the white to use in another recipe)
• small handful of parsley , finely chopped