Cost per Serving:
Preheat oven to 350°F. Coarsely chop pears and divide among four small ovenproof dishes.
Stir together chopped gingersnap cookies, walnuts and brown sugar in a medium bowl and spoon over pears. Dot cookies with butter. Bake until topping has browned and pears are bubbling, about 15 minutes. Let cool on a wire rack.