-
In large bowl, beat butter, brown sugar and peanut butter, until well blended (in my Kitchenaid Artisan Mixer, the batter looked light and fluffy when I was done)
-
Add egg and vanilla and beat well
-
In small bowl, stir together flour, baking powder, baking soda, and salt
-
Gradually add to peanut butter mixture, beat until well blended
-
Heat oven to 350 degrees
-
Shape dough into 1 ¼ inch balls
-
Roll balls in granulated sugar
-
Place dough balls on parchment paper lined cookie sheet
-
With fork, flatten dough balls, then flatten again in opposite direction forming criss cross marks
-
Bake 9-10 minutes until lightly browned and almost set
-
Once you remove from oven, cool for 3 minutes, then slide cookies while still on parchment paper to wire rack to cool for additional 15 minutes.