½   cup  Powdered Sugar
 ½   cup  Sugar
 ½   cup  Butter  [softened]
 ½   cup  Light Oil
 1   lrg  Egg
 ½   tsp  Baking Soda
 2   cup + 2  tbl Flour
 ½   tsp  Cream of Tartar
 ¼   tsp  Salt
 ½   tsp  Vanilla
 ¼-½ cup  Sugar
 

Preheat oven to 375°.

Beat together the two sugars, butter and oil until creamy.  Beat in egg.

Combine flour, baking soda, cream of tartar, salt and vanilla with a wisk.

Thoroughly blend into sugar/butter mixture.

Place ¼ to ½ cup of sugar in a small bowl.

Shape dough into 1-inch balls and roll in sugar to coat.

Place about 3 or 4 inches apart on ungreased baking sheets.

Using small flat-bottomed glass, flatten each ball to about ¼-inch thickness, dipping glass in sugar each time.

Bake about 10-12 minutes or until edges are lightly browned.  Transfer cookies to wire racks to cool.