Heat oven to 350 degrees.
Prepare cookie sheets with baking parchment paper.
In a mixing bowl stir together the almond flour, salt, and sweetener.
Mix in the butter, egg and vanilla.
The dough will seem slightly dry but hold together when rolled into balls.
Roll the dough into 18 balls ( The size of a whole walnut - about 1 tablespoon each.)
Mix remaining 2 Tbl sweetener and 1/2 tsp in a small bowl and roll cookie balls in the cinnamon mixture.
Place cookies 1 inch apart on prepared baking sheet.
Bake for 8-10 minutes, till edges are set, the center should be soft but not shiny.