Preheat oven to 350 degrees and line 2 cookie sheets with parchment paper.
In large bowl cream butter and sugar together. In small bowl combine flour, baking powder and salt. Mix in vanilla and egg to butter mixture in large bowl and slowly add the flour mixture. Mix until well combined.
Shape dough into 1½ inch balls then dip/roll in the additional sugar and place on parchment lined baking sheets.
Bake for 10-12 mins. then let cool
Recipe by THE SEMISWEET SISTERS at https://www.thesemisweetsisters.com/2019/04/09/easy-sugar-covered-sugar-cookies/