Preheat the oven to 180°C (356°F).
In a bowl, combine protein powder, oatmeal, baking powder, salt, and sugar.
Add eggs, milk, and coconut oil, and mix well.
Add chocolate chips and gently fold them in.
Shape the dough into rounds and place on parchment paper.
Bake in the oven at 180°C (356°F) for 12–15 minutes.
Transfer to a cooling rack to cool.