Slow Cooker method: Place all ingredients in a crock pot and cook on high for 4 hours. Let the sauce cool to room temperature before serving or transferring to a storage container. Keep any unused sauce refrigerated. Tip: Use a crock pot liner for easy clean up.
Stove top method: Place all ingredients in a saucepan and bring to a boil over medium-high heat. Stir well and then reduce the heat and simmer for 5 minutes. Let the sauce cool to room temperature before serving or transferring to a storage container. Keep any unused sauce refrigerated.