Mix the oatmeal and protein powder together in a bowl.
Add cocoa powder, baking powder, and salt, and mix well.
Add almond milk, olive oil, and erythritol to form a dough.
Gently fold in chocolate chips.
Shape the dough into rounds and place them on a baking tray.
Bake in the oven at 180°C (356°F) for 15 minutes.