Step 1

Beat the butter and sugar until light and fluffy, scraping the bowl as needed, for about 3 minutes.

Step 2

Add the egg and vanilla and beat until combined.

Step 3

Turn the mixer to low and add in the flour, mixing until just combined.

Step 4

Press the mixture evenly into the prepared pan filling each section to the top.

Step 5

Bake for 10 -12 minutes (depending on the method you use) until the cookies are lightly golden.

Step 6

Cool 5 minutes before carefully lifting the cookies out of the pan and transfering to a cooling rack to cool completely.