Blend the seeds and stringy bits from a medium squash with 3 eggs until smooth. Add a pound or so of pork liver and continue blending until smooth. Oil a bowl, a spoon, and a cookie sheet. (This stuff is sticky!) Add as much soy flour as it takes to make a dough. Oil your hands if you decide to mix and spread the mixture with them. Spread the mixture on the baking sheet as thinly as you have patience for. Put the sheet in the oven and turn the oven to 250. Bake for 2 hours or until the mixture is firm and dry. cut or break into pieces appropriate for your dog’s size. Spread them on the baking sheet and continue baking until fully dried. Let them cool and freeze any your dog won’t eat within a couple days.