Preheat oven to 375 degrees F. Lightly grease a baking sheet or cover with parchment paper. In a small bowl, stir together 1/4 cup sugar and cinnamon until well combined. Set aside.
In a small bowl, stir together the flour, cream of tartar, and baking soda until well combined. Set aside.
In a large bowl, beat butter and remaining sugar with an electric mixer on high speed until light and fluffy, about 2 minutes. Sprinkle in kief or ground hash and beat until cannabis concentrate is evenly distributed in the butter. Beat in the egg, then beat in the vanilla. Reduce speed to medium-low and gradually mix in the flour mixture just until blended.
Scoop out cookies, about 1 1/2 tablespoons each, and roll between your hands into a semi-flattened ball.
Roll in cinnamon-sugar mixture to completely coat the outside and then place on prepared baking sheet about 2 inches apart.
Bake for about 10 to 12 minutes or until fairly firm and just beginning to brown. Transfer to wire rack to cool.