Goan Shrimp Curry from How to Cook Indian by Sanjeev Kapoor

Ingredients

• 1 tablespoon malt vinegar or cider vinegar
• 2 tablespoons vegetable oil
• 2 tablespoons tamarind pulp
• 15 cloves garlic, chopped
• 2 green chiles, stemmed and slit
• 1 small onion, chopped
• 2-inch (5-cm) piece fresh ginger, chopped
• 1 cup (120 grams) grated fresh coconut (or frozen unsweetened coconut)
• 6 dried red chiles, stemmed
• 2 tablespoons coriander seeds
• 2 teaspoons cumin seeds
• 1½ teaspoons table salt
• 20 shrimp