Hmm, interesting ideas on the potatoes...

When I was a kid I never stopped playing but I loved ice cream. I used to scoop a bunch into a plastic sandwich bag (pre ziplock days) and tie it off tight w/ a rubber band (picture a homemade piping bag) . That way I could bite a corner off and go keep playing with a squeeze bag of ice cream. Have not done that in decades but seems you could do the same with homemade mashed potatoes w/ skins and fixings. No mess and super easy to eat and digest on the fly....