Wash and pit the plums. In a saucepan caramelize the sugar until a light brown. Moisten with wine. Add the plums and the cinnamon. Stir and cook until very tender. Puree in a blender and strain through a fine sieve.
Serving: form balls with a scoop or 2 tablespoons dipped in hot water and decorate with a sauce (for example a gingerbread sauce or a chocolate sauce).