In a saucepan bring Milk (100 milliliter), Egg (130 gram), Agar-Agar Powder (1 gram), Ground Cinnamon (1 dash), and Granulated Erythritol (20 gram) to a boil.
Add in the Pumpkin Purée (100 gram) and Cacao Powder (10 gram).
Blend everything until smooth.
Line a bowl with plastic wrap, pour in the mixture, and refrigerate for a minimum of 3 hours or better overnight. Following morning, flip it onto a plate, dust the top with more cacao powder (optional) and enjoy!