Panang Vegetable Curry

Ingredients

• ["2 tablespoons vegetable oil", "2 large shallots, thinly sliced", "2 tablespoons", "2 tablespoons chopped peeled ginger", "2 1/3 cups canned unsweetened coconut milk, divided", "1 1/2 cups (or more) vegetable stock", "8 fresh or frozen kaffir lime leaves", "2 dried chiles de arbol", "1 4-pound kabocha squash, cut into 8 wedges, seeded, or 2 acorn squash, quartered, seeded", "1 small head of cauliflower (about 1 1/2 pounds), cored, broken into 1\"-2\"" florets""