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 somethingand sprinkle something on
to 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.