Preheat the oven to 180°C (356°F).
In a bowl, combine almond flour, cocoa powder, and baking powder.
In a separate bowl, mix eggs, unsweetened Greek yogurt, and erythritol thoroughly.
Combine the dry and wet ingredients together.
Pour the batter into muffin tins or a cake pan.
Bake in the oven at 180°C for 20 minutes.