Preheat your oven to 350°F (175°C).
In the bowl of a stand mixer fitted with the paddle attachment, mix together the softened cream cheese and granulated sugar until light and fluffy– about 2 minutes.
Add the egg and vanilla extract and mix to combine.
Pour the cream cheese mixture into the prepared pie crust, spreading it out evenly. Transfer the pie to the fridge while you make the sweet potato layer.
Add the drained yams and light brown sugar to the bowl of a food processor and pulse until they are smooth– about 30 seconds.
Next, add the heavy cream, egg, vanilla extract, and ground cinnamon to the mashed yams and pulse until well combined. Scrape down the sides of the bowl as needed.
Carefully spoon the sweet potato mixture over the cream cheese layer, trying to keep the two layers as separate as possible.
Bake for 35-40 minutes or until the center of the pie no longer shakes when gently jiggled.
Allow the pie to cool completely to room temperature, and then transfer it to the fridge and chill for at least 2 hours before slicing. Enjoy!