In a small mixing bowl, whisk together flour, baking soda, and salt; set aside.

Cream the butter and sugar in the bowl of an electric mixer using the paddle attachment. Add the egg and vanilla and beat until combined. Add the peanut butter and continue beating on low speed. Add the dry ingredients and beat until just blended.

Heat the oven to 350 degrees. Line a baking sheet with a silpat. Form dough into 1-inch balls. Roll balls in Sugar In The Raw. Place balls on cookie sheet about 2 inches apart. Press down slightly with the palm of your hand.

Bake until rich golden brown, about 10 minutes. Transfer to a rack to cool.