1 pkg. Jello (sugar-free)
1/2 c. sugar (use 12 packs w/w sweetener)
1 1/2 c. boiling water

Dissolve Jello and above ingredients.

Add: 1 c. buttermilk

Pour in tray and freeze overnight. Break up and beat it until fluffy. (Optional: Add 1 beaten egg white to above.)