Place yams in a crock with 1 tablespoon of water on low temp overnight. Remove yams from crockpot and allow them to cool before peeling.
Preheat oven to 350°
In a large bowl, peeled yams and mash. Add in butter, salt, white sugar, brown sugar, cinnamon, vanilla extract and lemon juice. Stir together until thoroughly combined.
Using a standing mixer or handheld mixer, beat yam mixture until smooth. Slowly add two eggs, condensed milk and blend those in as well.
Using a fork, prick holes in the bottom and sides of the room temperature pie crust.
Egg wash unbaked pie crust and sprinkle with cinnamon sugar. Carefully pour yam mixture into pie crust. (makes two pies)
Bake for 55 minutes at 350° and remove from oven.
Allow to cool. Serve and enjoy!
Recipe Notes
* Marie Callender's pre-made pie shell is my favorite