Preheat oven to 325F & line a 9x13 inch baking pan with parchment paper
In a bowl of an electric mixer, combine your butter, powdered sugar, and vanilla extract. Beat until creamy, scraping the mixing bowl often.
Turn off the mixer then slowly Mix in the flour little by little
Mix until it forms a dough
Add sprinkles if you are using and beat again.
Work dough with hands until it forms a ball.
Press dough into your 9x13 pan that has been lined with parchment paper.
Chill for 1 hour in the fridge.
Grabbing the parchment paper, remove the dough from the pan and cut it into bitesize squares.
Place squares 1 inch apart on a ungreased cookie sheet. Bake for 10-12 minutes or until bottoms just begin to brown.
Keep a close watch as they will brown QUICKLY
ENJOY!
