Bring whipping cream to a light boil in a large saucepan over medium heat, stirring occasionally. Add sugar, and cook, stirring occasionally, 4 to 5 minutes or until sugar is dissolved and mixture is smooth. Remove from heat, and stir in butter, brandy, and vanilla. Let cool 10 minutes.
*Apple cider may be substituted.
Note: To make ahead, prepare recipe as directed. Store in an airtight container in refrigerator up to 1 week. To reheat, let stand at room temperature 30 minutes. Place mixture in a microwave-safe bowl, and microwave at HIGH 1 minute, stirring after 30 seconds.