Meanwhile, bring schnapps or apple juice in small saucepan to boiling. Boil gently for 1 minute. Stir in broth, Kitchen Bouquet, salt, and pepper. In a small bowl, stir together whipping cream and cornstarch; stir into mixture in saucepan. Cook and stir until mixture is thickened and bubbly. Cook and stir 2 minutes more. Set aside; keep warm.