Coconut Curry With Potatoes and Greens

Name: Coconut Curry With Potatoes and Greens
Ingredients: 2 tablespoons neutral oil; 2 shallots, diced; 2 garlic cloves, finely chopped; 1 (1-inch) piece ginger, peeled and finely chopped; 2 to 3 tablespoons Thai curry paste (any color); 2 pounds Yukon Gold potatoes, peeled and cut into 1 1/2-inch pieces; 1 teaspoon sugar; 4 cups vegetable stock; 4 makrut lime leaves (optional); 1 (13-ounce) can unsweetened coconut milk, well shaken; 2 limes, halved; 6 cups robust leafy greens such as kale, chard or collards (from a 12-ounce bunch), destemmed and roughly chopped; Handful of cilantro leaves; 1 fresh red chile (such as Fresno), thinly sliced