5 egg yolks
3 teaspoons no-sugar vanilla extract
280g heavy cream or double cream, whipped
Place egg yolks, vanilla extract, sweetener and water in blender.
Blend at medium speed for 30 seconds.
Fold yolk mixture into whipped cream.
Blend well, being careful not to break down volume of whipped cream.
Empty into refrigerator tray and freeze for 2 hours.
For a lighter result, beat at several intervals during freezing.