Romantic Dinner for Two Butternut Squash and Bourbon Bisque

Name: Romantic Dinner for Two Butternut Squash and Bourbon Bisque
Ingredients: 1 to 2 butternut squash (about 4 pounds total); 1 tablespoon extra virgin olive oil; 1 cup diced onions; 1 cup diced leeks; 1/2 teaspoon ground cumin; 2 tablespoons chopped fresh garlic; 1 tablespoon chopped fresh ginger; 2 tablespoons pure maple syrup; 2 tablespoons soy sauce; 1/4 cup bourbon; 1/2 cup dry sherry; 1/4 teaspoon grated nutmeg; 5 cups chicken stock; 3/4 cup evaporated skim milk; Salt and freshly ground pepper to taste; 2 tablespoons cornstarch mixed with 2 tablespoons water