This is an american cake mix so I don't think you would be able to get it at a local supermarket in England, but I've just quickly researched on the interwebs, and they sell different types of boxes on amazon. I managed to get mine because I live near an american air base, and we have american friends so they sometimes get us some of their amazing food.
The dough becomes VERY thick and sticky and after a while it takes a bit of muscle to keep mixing but I got there in the end. On sally's baking addiction blog it says to just keep stirring the pockets of dry mix out but there were a lot of little small lumps, so I found the back of a tea spoon dispersed them quicker.
You'r going to need A LOT of sprinkles, as you will see in the pictures below none of them even showed up in my ones :( but I digress.
I was able to make 18 cookies, but I think I might have made the balls a bit too big.
And this is how they turned out!! If you have taking a look at Sally's baking addiction blog then you will see how mine pale in comparison but hey-ho. The middle tasted a little bit under cooked, though that could be because our oven is useless but the corners were chewy and soft. Ultimately I give it a 4 out of 5 stars!!
Signing out, Kim! xxx