Preheat the oven to 180°C (356°F).
In a bowl, mix together the protein powder, almond flour, and baking powder.
Add eggs, milk, olive oil, and stevia, then knead the dough.
Add the nuts and mix again.
Shape the dough into circles and place them on a baking tray lined with parchment paper.
Bake in the oven at 180°C (356°F) for 12–15 minutes.