Preheat the oven to 180°C (356°F).
Crack the eggs into a bowl and beat well.
Add Greek yogurt, vanilla protein powder, and baking powder, then mix.
Add almond flour and knead gently to make a smooth dough.
Pour the batter into a tin lined with parchment paper.
Bake in the preheated oven for 20–25 minutes at 180°C (356°F).
Let cool completely on a wire rack before serving.