Butternut Squash Soup With Star Anise And Ginger Shrimp

Ingredients

• 24 large shrimp in shell (about 1 lb), peeled, leaving tail and first segment of shell intact, and deveined
• 1 tablespoon finely grated peeled fresh ginger
• 2/3 cup chopped shallot
• 1 garlic clove, thinly sliced
• 3 whole star anise
• 2 tablespoons unsalted butter
• 1 3/4 lb butternut squash, peeled, seeded, and cut into 1/2-inch pieces (5 cups)
• 4 cups chicken stock or broth
• 2 cups water
• 1/4 teaspoon salt
• 1 tablespoon vegetable oil