Combine the flour, sugar, baking powder, and salt in a medium bowl.
Cut the butter into the dry ingredients with pastry blender or fork.
Whisk the egg into the cream. Make a well in the center of the dry ingredients and pour the cream mixture into well. Mix with a fork until the ingredients just stick together.
Dust a worktop with some flour and pat the dough out to a thickness of about 1 to 1 ¼ inches. Cut into rounds with a cutter.
Place the dough rounds on a greased baking tray or a tray that has been lined with silicon paper. Brush the tops with the cream. Sprinkle with a little sugar. Bake for about fifteen minutes or until golden brown. Remove to a wire rack. Serve while still fresh & warm.