GFCF Pumpkin Pie (My Mom's Pumpkin Pie)

There are few things better than homemade pumpkin pie. Actually, I love all things pumpkin. My husband dreads every autumn when I go into a pumpkin baking frenzy. There's something so fabulous about this humble orange squash, I just can't help it.  This is my mom's  pumpkin pie recipe (modified, of course, to be gluten-free and casein-free) and it's the only pumpkin pie I will make - it's the