Keralan Vegetable Stew

Name: Keralan Vegetable Stew
Ingredients: 2 tablespoons canola oil; 2 tablespoons finely julienned peeled fresh ginger; 4 garlic cloves, thinly sliced; 12 fresh curry leaves or 2 bay leaves; 2 serrano chiles, finely chopped; 1 teaspoon ground turmeric; Coarsely ground black pepper; 1 cup frozen pearl onions, thawed; Salt; 1 medium Yukon Gold potato, peeled and cut into 1-inch cubes; 2 medium carrots, cut into 1/2-inch dice; 1/2 pound green beans, cut into 1/2-inch pieces; 1/2 cup vegetable stock or broth; 1 cup unsweetened coconut milk