Ingredients

• 5 tablespoons butter, divided
• 2 1/2 cups chopped green onions (about 10 large)
• 1 cup chopped fresh cilantro
• 1 cup sake
• 6 Thai bird chiles with seeds or 3 small serrano chiles with seeds, sliced crosswise into thin rounds
• 2 teaspoons soy sauce
• 3 large garlic cloves, pressed
• 2 1/2 pounds mussels, scrubbed, debearded

Instructions

1. Melt 3 tablespoons butter in large pot over medium-high heat. Add green onions and sauté until beginning to soften, about 2 minutes. Add next 5 ingredients. Bring to boil. Add mussels. Cover pot and increase heat to high. Cook until mussels open, 5 to 6 minutes.
2. Divide mussels among bowls (discard any mussels that do not open). Boil juices in pot to reduce slightly, about 1 minute. Whisk in remaining 2 tablespoons butter. Season sauce to taste with salt and pepper. Spoon sauce over mussels; serve.