Put soy milk and Greek yogurt in a bowl and mix well.
Soften the cream cheese until smooth.
Add erythritol and vanilla extract and mix.
Add eggs and mix thoroughly.
Sift corn starch and mix it in.
Pour the batter into a pan lined with parchment paper.
Bake in a 180°C oven for 30~35 minutes.
After cooling, refrigerate for at least 3 hours to set.