Store-bought pie dough will also work in a pinch. Typically, a recipe for pie filling for 1 (9-inch) pie, will make 8 pies-in-a-jar. Place a small pat of butter, about 1/2 tablespoon, on top of each pie. Pie-in-a-Jar Variations: Various Sweet Pie Fillings: Maple pecan, key lime, blueberry, peach, pumpkin. Various Savory Pie Fillings: Chicken pot pie and shepherd's pie. Cobbler: Transfer any cobbler recipe to the jar method.