Curried Mussels

Name: Curried Mussels
Ingredients: 2 tablespoons vegetable oil; 3 large leeks, whites and light greens only, thinly sliced, rinsed, drained; Kosher salt, freshly ground black pepper; 2 garlic cloves, sliced; 1 1/2 teaspoon Madras curry powder; 2 1/2 pounds mussels, beards removed; 1 /2 cup canned unsweetened coconut milk; 2 tablespoons cilantro leaves (for serving)