Other ideas outside of a powered feeder for hand tossing the pellets without touching the feed?
I use the small size plastic Folgers coffee cans to toss out the feed.
My "feed bucket" that I take to the pond includes 2 small coffee cans and one large coffee can filled with AM 600, 2 small ones filled with AM LMB and one empty one for tossing the feed.
Never touches my hands and I can toss out only has much as I want.