First off, he had to sample the cookie dough.
Focused on his work.
Trying more cookie dough...it's a wonder we actually had some dough left to bake cookies with!
I had distracted Ian with "Frosty the Snowman" while I prepared the frosting and put the sprinkles in small containers for him. Here he is realizing that it is almost REALLY time to decorate the cookies...shouting for joy!