Combine flour and salt in small bowl; set aside. In a large mixing bowl, cream margarine, vegan sugar, egg substitute, and flavoring in order, mixing well. Add flour mixture and combine thoroughly. Shape into small balls and bake in a preheated 350 degree oven for about 6 minutes; cool on rack.
When room temperature, place in a large Ziplock bag into which about a cup of 10x vegan sugar has been place; gently roll and turn bag to coat cookies with vegan sugar.