1 can coconut milk (14 oz, not "light")
1 can pumpkin purée (15 oz)
2 stalks lemongrass (finely chopped, see tip below)
1/4 cup chopped and peeled fresh ginger
2 tablespoons fresh lime juice
2 tablespoons sweet chili sauce (or to taste)
1 teaspoon chopped fresh jalapeño or Serrano chile (without seeds or ribs, or to taste)
  Kosher salt