Coconut Carrot Soup with Cumin Oil

Name: Coconut Carrot Soup with Cumin Oil
Ingredients: 3 tablespoons canola oil; 1 medium white or yellow onion , finely diced; 12 ounces ( 3 cups) carrots , cut into 1/8-inch rounds; 1 teaspoon kosher salt , divided plus more to taste; 1/8 teaspoon freshly ground black pepper , plus more to taste; 1 tablespoon minced fresh ginger; 1 tablespoon minced garlic; 1 ( 13.5 ounce) can full-fat coconut milk; 2 cups vegetable stock , plus more if needed; 2 teaspoons garam masala; 1/2 teaspoon mild chili powder , such as Kashmiri chili powder; 1/4 cup loosely packed cilantro , chopped, for garnish; 2 tablespoons neutral oil , such as canola; 1 teaspoon cumin seeds; 1 clove garlic , thinly sliced