Quality control, you know.
They went over very well at my Bunco night, although next time I think I'll cut back the sugar by at least a quarter cup to counteract the sweetness of the coating.
From The Girl Who Ate Everything
Beat together butter and sugar using an electric mixer until combined. Add cake mix, flour, salt, and vanilla and mix thoroughly. Add 3 Tablespoons of milk or more if needed to make a dough consistency. Mix in sprinkles by hand. Roll dough into one inch balls and place on a parchment or wax paper lined cookie sheet. Chill balls in the refrigerator for 15 minutes to firm up.