This one was quick!
Pattern – KitKat Hat – a free pattern from Ravelry
Needle size – US 6
Yarn – Caron Cupcakes – colorway Candy Buttons
I modified this, making it smaller to fit a child. I cast on 80 stitches, knit about 2 and a 1/2 inches in ribbing, and bound off at about 6 and 1/2 inches.