Green Lentil Soup With Curried Brown Butter

Name: Green Lentil Soup With Curried Brown Butter
Ingredients: 2 tablespoons unsalted butter, ghee, or extra-virgin coconut oil; 1 large yellow onion, chopped; 3 cloves garlic, chopped; 1/2 teaspoon red pepper flakes; 5 1/2 cups/1.3 liters vegetable broth or water; 1 1/2 cups/10.5 oz/300 g green lentils or green split peas, picked over and rinsed; 3 tablespoons unsalted butter; 1 tablespoon Indian curry powder; 1/2 cup/125 ml coconut milk; Fine-grain sea salt; 1 bunch fresh chives, minced