Ingredient:

• 1 (14.5 ounce) can chopped tomatoes
• 4 tablespoons plain yogurt
• 2 cloves garlic, roughly chopped
• 1 (1 inch) piece ginger, coarsely chopped
• 2 tablespoons vegetable oil
• 1 onion, chopped
• 2 tablespoons masala curry paste
• 4 skinless, boneless chicken breasts, cut into 1-inch pieces
• salt and freshly ground black pepper to taste
• ¼ cup water
• 1 tablespoon all-purpose flour
• 3 tablespoons chopped fresh cilantro