For the sabayon, mix the mascarpone, fructose, yogurt and vanilla.
Fill with currant or other fruit jelly, dust with powdered sugar, and serve with cream or sabayon sauce.
A sabayon or other sauce can be served with them if convenient, but it is not essential.
sabayon of Madeira or Malaga wine without lemon juice is made the same way.
Serve with it plain pudding sauce, sabayon, or a fruit sauce.