Preheat the oven to 180°C (356°F).
In a bowl, mix almond flour, coconut flour, baking powder, and salt together.
Add eggs, olive oil, erythritol, and almond milk, and mix well.
Pour the batter into a bread tin.
Bake in the oven at 180°C for 35-40 minutes.
Let it cool completely, then slice into serving pieces.