A wonderful fall pie recipe; if you can't find Boston Marrow, substitute Butternut Squash
Steam the squash chunks in a saucepan for 20 minutes, or until tender. Drain.
Place all the ingredients in a blender or food processor and blend until smooth.
Pour into pie shell and sprinkle with pumpkin pie spice. Place in preheated 350 degree oven for 50 minutes, until the center is set.