Broccoli Coconut Soup with Langostino Tails

Name: Broccoli Coconut Soup with Langostino Tails
Ingredients: 2 tablespoons canola oil, divided; 1 large or 2 small shallots, minced; 1 tablespoon ginger, minced; 3 tablespoons green curry paste; 1 13.5 ounces can full fat coconut milk; 2 splashes fish sauce; 2 cups vegetable broth; 1 teaspoon coriander; Kosher salt; 1 pound broccoli stems and florets, chopped; 2 cups spinach; 6 ounces langostino tails or shrimp, fresh if you can find them, otherwise pre-cooked and defrosted; 2 scallions, cut on the bias; freshly cracked black pepper