Preheat oven to 220°C/ 450°F/ Gas Mark 8. Sieve flour, baking powder, Sugar Free and salt together. Add butter to the mixture and break into very small pieces with hands or knives.
Beat eggs. Reserve two tablespoons of this and add cream to the rest and beat. Make a well in the dry ingredients. Pour egg mixture into it.
Combine the ingredients with a few swift strokes. (Handle the dough as little as possible). Place it on a lightly floured board. Pat it until it is three fourth inch thick Cut it with a knife into diamond shapes – each side measuring one and a half inches.
Place them on a greased baking tray. Brush them with the reserved beaten egg and sprinkle salt on the top. Bake them in the preheated oven for about fifteen minutes. Best served warm.