South Indian Sweet Potato Pie

Ingredients

• 500g pieces of cod, diced
• 1 tbsp vegetable oil
• 1 tbsp Rajah Turmeric Powder 1 tsp
• 1 tbsp Rajah Red Chilli Powder 1 tsp
• 1 tbsp salt
• 3 tbsp vegetable oil
• 1 tsp Rajah Mustard Seeds
• 1 tsp Rajah Cumin Seeds
• A small handful of fresh curry leaves
• 1 large onion, sliced
• 1/2 tsp salt
• 1/2-inch square piece ginger, finely diced
• 1 green chilli, thinly sliced
• 1 tbsp Rajah Fish Masala
• 2 plum tomatoes, chopped
• 400ml coconut cream
• 1 tbsp palm sugar
• A small handful of coriander, chopped
• 2 large, sweet potato, peeled and chopped
• 3 large, Maris Piper potatoes, chopped
• 1 tsp, salt
• A small handful of curry leaves
• 1 tsp mustard seeds