1.In a small sauce pan mix the Demi sauce mix and water. 2.Bring mixture to a boil over medium heat, and then immediately reduce heat to low. Simmer for 2-3 minutes. Hold for later use. 3.In another sauce pan melt the butter over medium heat; add red onion and black pepper. Cook for 1-2 minutes or until onions begin to soften. 4.Remove the pan from the heat, add the brandy, Demi mixture, and cream. Carefully place the pan back on the heat. CAUTION: MIXTURE MAY FLAME UP. 5.Bring mixture to a boil, immediately reduce heat to low and simmer for 8-10 minutes or until sauce has slightly thickened. 6.Hold warm until ready to use.