Gefen Whole Organic Chestnuts, Roasted and Peeled , 5.2-Ounces (Pack of 6) 1 teaspoon vegetable oil 2 cups diced onion 3/4 cup diced carrot 1/2 cup diced celery 1 1/2 tsp thyme 1 (5.2-ounce) bag Gefen Chestnuts 5 cups vegetable stock (or chicken stock) Salt &amp; Pepper to taste 1/3 cup heavy cream (optional) 6 tablespoons butter (or margarine) 1/2 cup brown sugar 1/2 teaspoon salt 1 1/2 teaspoons vanilla extract 3 tablespoons sugar 2 (5.2-ounce) packages Gefen Chestnuts