Preheat the oven to 180°C (356°F).
Mix the coffee with the protein powder.
Add eggs, milk, olive oil, and stevia to a bowl and stir well.
Add the coffee-protein mixture and mix together.
Add the flour and baking powder and knead the dough.
Shape the dough into rounds.
Line a baking pan with parchment paper.
Place the dough on the pan and bake for 18 to 20 minutes.
Let cool before eating.