Transfer the flour on your worktop and use the bowl to make a well in the middle. Fill the well with the icing sugar, the almond powder, the salt, the beaten egg and the butter. Then mix it and knead it into a soft dough. You can always use a dough scraper to clean your worktop in between. After that transfer it on a silicon sheet and put another sheet on top. Then roll this until it’s around 2 to 3 millimeters thin. Now let it freeze in your freezer. Then remove the top sheet and cut the dough with a round cutter. Cut those rounds with a smaller cutter remove any excess dough. Transfer the rings on a silicon sheet and let it set in your freezer once more. Then bake the sable at 150 degrees Celsius for around 20 minutes till golden brown. Now let it cool down completely and then keep them dry and covered for later.