Fried Mackerel in Hot and Spicy Sauce

Ingredients

• 1 tablespoon salt
• 1 tablespoon turmeric
• 14 ounces of mackerel, cut into steaks
• vegetable oil
• 1 teaspoon mustard seeds
• 1 onion, chopped
• 2 garlic cloves, crushed
• 1 teaspoon ginger, shredded
• 1 red chili, sliced
• 1 teaspoon curry paste
• ¼ cup canned tomatoes
• ¼ cup coconut milk
• ¼ cup water
• salt
• 1 teaspoon garam masala
• 1 cup cooked rice (optional)