This no-bake Pumpkin Pie in a Jar recipe features creamy pumpkin pastry cream layered over spiced, toasted ginger snap crumbs and topped with a fluffy pumpkin-spiced whipped cream. Perfectly portioned in jars, these autumnal parfaits offer all the comforting flavors of pumpkin pie without the traditional baking, making them an easy yet impressive dessert for fall gatherings.