Ginger Squash Soup

Serves: 6 Ingredients 2¾ pounds orange-flesh winter squash, such as butternut 2 tablespoons olive oil 1 medium leek, trimmed, white and green parts, cut into ¼-inch pieces (1 cup) 3 cloves garlic, peeled and minced 1 teaspoon finely grated fresh ginger, or more to taste 1 medium parsnip, peeled and cut into ¼-inch pieces 4 cups…