BBC Food - Recipes - Beef jhal faraizi, karhai broccoli and sweet and sour squash

Ingredients

• 340g/12oz small floury potatoes , unpeeled
• 2 tbsp olive or rapeseed oil
• ½ tsp whole cumin seeds
• 1 medium onion , cut into 7mm/⅓in cubes
• 2-3 fresh, hot green chillies (such as bird’s-eye chillies ), chopped
• 340g/12oz leftover roast beef , 7mm/⅓in cubes
• 1 tsp salt
• freshly ground black pepper
• 3 tbsp olive or rapeseed oil
• ⅛ tsp ground asafoetida
• ¼ tsp whole cumin seeds
• ¼ tsp whole mustard seeds
• 400g/14oz trimmed broccoli florets
• ½ tsp salt
• ¼ tsp cayenne pepper
• 3 tbsp mustard oil or olive oil
• generous pinch ground asafoetida
• ½ tsp whole brown or yellow mustard seeds
• 560g/1¼lb peeled and de-seeded butternut squash , cut into 2.5cm/1in pieces
• ¾-1 tsp salt
• 1½ tsp caster sugar
• ⅛-¼ tsp cayenne pepper
• 1 tbsp plain yoghurt
• 2 tbsp chopped fresh coriander