Before starting this Lemon Macarons recipe, organise the necessary ingredients for the macaron shells. Sift the icing sugar in a mixing bowl. Add the almond powder. I recommend using super fine almond flour for macarons. You're using regular almond powder, mix in a processor to get a finer texture. Combine the almond powder and icing sugar, then add the egg white. Combine with a rubber spatula until the consistency is rather compact. ...