Quick mustard prawn curry recipe

Ingredients

• 1 tbsp oil
• 1 tsp brown mustard seeds
• 1 onion, thinly sliced
• 3 garlic cloves, finely chopped
• 1 piece of fresh root ginger (5mm/0.25 inch), peeled and finely chopped
• 400 g chopped tomatoes
• 1/2 tsp salt
• 1 tsp ground coriander
• 1/2 tsp chilli powder
• 1/2 tsp ground turmeric
• 1/2 tsp garam masala
• 12 raw king prawns, shelled and deveined
• 1 tbsp double cream