Bombay potatoes - Good Food Middle East

Ingredients

• 1 thumb-sized piece ginger, grated
• 2 large garlic cloves
• 6 large vine tomatoes, halved, deseeded and chopped
• 800g new potatoes, halved
• 3 tbsp sunflower oil
• 1 large onion, thinly sliced
• 2 green chillies, halved, deseeded and thinly sliced
• 1 tsp black mustard seeds
• 2 tsp ground coriander
• ½ tsp turmeric
• 1 tsp ground cumin
• 2 tsp garam masala
• small bunch coriander, chopped