Place flour, salt, and baking powder in a mixing bowl. Sift to mix. Rub in shortening and mix to dough with one cup of water.
Roll on pastry board one-quarter inch thick and spread with the prepared filling. Roll as for jelly-roll, place in well-greased and floured baking pan and bake in a moderate oven for thirty-five minutes.
Mince the giblets fine and pick the meat from the neck and carcass, putting the skin through the food-chopper. Place in a bowl and add the rest of the ingredients.
Mix thoroughly and spread as directed upon the dough.