sprinkle (something) on (someone or something)
To drop, disperse, or scatter small drops or particles of something onto someone or something. I sprinkled glitter on the diorama to give it a festive look. The priest sprinkled holy water on the celebrants.
sprinkle something on(to) someone or something
and sprinkle something onto scatter or dribble something onto someone or something. The minister sprinkled the water onto the baby. The cook sprinkled on a dusting of powdered sugar.