I think @DailyDiapers and @Spider Boy Diaper Boymight want to give this a try.
The little/AB lies down in the caregivers lap, and the CG has some food whatever it might be, potato chips, biscuits and gravy, pizza whatever.
The CG take a big mouthful of food and chews it up real good, then the little opens wide and the CG spits the chewed food at them and the little has to catch it in their mouth.