No, the gelatin is an essential ingredient. Gelatin forms a soft solid (gel) as it cools and provides the structure to hold the ingredients of the pie together. Without the gelatin, other ingredients...
All gelatin is is animal fat, normally pig fat. So, if you bake or roast pork, leave the juices at the bottom of the tray or pan in the fridge show it can take form of a solid. The next da, or maybe...