Beat together 2 eggs and 15g allulose until frothy as much as possible.
Mix in the soy milk.
Add oatmeal, cocoa powder, and melted dark chocolate, then combine well.
Microwave for 3-4 minutes.
Mix Greek yogurt, a little allulose, and melted dark chocolate to make the cream.
To make the chocolate sauce, mix 30g warm water, 20g cocoa powder, and 20g allulose.
Once the cake has cooled, cut it in half horizontally and layer with cream to finish.