Peel orange and cut peel into strips. Juice peeled orange into a pot and add orange peel strips, cranberries, 1 cup water and sugar. Bring to a boil, reduce heat a bit and let berries bubble away until they burst and form a sauce. Remove peel and cool to room temperature or chill.
Melt butter in a skillet over medium heat and cook onion, celery and carrot to very tender, 10 minutes. Add sherry or wine and evaporate; cool.