(Total time will vary; cook or bake time is per batch.)
A sandwich press is a long-handled, metal, clam-shell-type holder that can be used over a campfire or grill. There is a small electric appliance also called a “sandwich maker” or “sandwich press” that can do the same task right in your kitchen.
Use strawberry jam or grape jelly instead of the cherry pie filling.
When backpacking, pack firm rather than soft white bread in a rigid plastic container to prevent squishing.