Lemon Cooler Cookies

In a medium bowl, add the flour, cornstarch,baking powder, and mix with a wire whisk, mix until blended thoroughly.
In a large bowl, add butter, granulatedsugar, vanilla extract, and lemon zest and with a hand-held electric mixer,whisk until creamy and smooth.
Add the flour mixture and mix until justcombined.
With plastic wrap, cover the bowl tightly andrefrigerate for at least 1 hour.
Preheat your oven to 350 °F.
Line a large-sized cookie sheet with bakingpaper.
With a cookie scooper, place the cookies onto2 ungreased cookie sheets about 2-inch apart.
With the fingers of your hand, flatten eachcookie slightly.
Bake for approximately 9-11 minutes or untiltop of cookies becomes golden brown.
Remove the cookie sheet from oven and placeonto a wire rack to cool for about 5 minutes.
Then invert the cookies onto the wire rack tocool.
Coat the cookies with powdered sugar and serve.