Preheat Oven to 350°F (175°C).
Prepare Baking Dish by greasing it lightly or lining it with parchment paper.
Mix Wet Ingredients: In a bowl, whisk together pumpkin puree, eggs, cream cheese, heavy cream, and vanilla extract until smooth.
Combine Dry Ingredients: In another bowl, mix almond flour, coconut flour, erythritol, baking powder, cinnamon, nutmeg, ginger, and salt.
Combine Mixtures: Gradually add the dry mixture to the wet ingredients and stir until well combined.
Pour & Bake: Pour batter into the prepared dish and smooth the top. Bake for 30 minutes or until a toothpick comes out clean.
Cool & Serve: Allow it to rest for at least 15 minutes before slicing or serving. Best served slightly warm or chilled.