Preheat oven to 300F. Spread blanched almonds in a single layer on a baking pan. Bake 20-30 minutes. Stir a few times. Let cool. Grind in blender to powder. Add sugar, honey, egg whites, and vanilla until well mixed. Add flour. A soft dough will form. If too soft ass a bit more flour-do not create a stiff dough. Sprinkle cutting board with powdered sugar. Drop tsp of dough roll into a small ball. Drop on baking pan and flatten with a spatula. Dust with powered sugar. Bake until cookies are set but not brown. 10-15 minutes. Dust again as soon as they come out.