Frozen Yogurt Birthday Cake Shake

Frozen Yogurt Birthday Cake Shakes
1.5 Quarts of Frozen Yogurt
2 cups of milk (Give or take on how thick or thin you like you shakes!)
5 Tbsp. of confetti box cake mix
Mix all ingredients well in mixer.
*Makes approx. (6 cups) of milk shake.*
Cooks Notes: To put sprinkles around the brim of your glass, simply put an inch of water into a bowl and dunk the top of your glass into the water. Then place the glass into a bowl of sprinkles and turn until sprinkles are stuck fast.