Sri Lankan Green Bean Curry | Saveur

Ingredients

• 3 tbsp. coconut oil
• 2 tsp. black mustard seeds
• 2 dozen curry leaves
• 2 green chiles, such as Thai style, stemmed and split lengthwise
• 1 large red onion, peeled and sliced (2 cups)
• 1 tsp. kosher salt
• 1 tsp. ground turmeric
• 4 1-inch pieces flat Sri Lankan cinnamon
• ³⁄₄ lb. green beans (about 1 qt.), ends trimmed, sliced in half lengthwise
• 1 tsp. freshly ground black pepper
• 1 tsp. ground cumin
• ¹⁄₃ cup coconut milk
• 1 tbsp. fresh lime juice
• Finely ground Maldive fish flakes, or substitute bonito flakes, for garnish (optional)