Slightly Thickened Vegetable Broth

1 cup fat-free, lower-sodium vegetable broth, divided1 tablespoon cornstarchBring all but 2 tablespoons of broth to a boil in a small saucepan over high heat.Meanwhile, whisk together 2 tablespoons broth and cornstarch in a small bowl. Gradually whisk the cornstarch mixture into the boiling broth. Boil until the broth is slightly thickened, about 30 seconds. Let cool before using.Makes about 1 cup.Nutrition values per tablespoon: 4 calories, trace amount fat, trace amount protein, 0.9 g carbohydrate, 0 fiber, 0 cholesterol, 25 mg sodium.