Preheat the oven to 180°C (356°F).
Combine almond flour, erythritol, and baking powder in a bowl and mix well.
Add eggs, almond milk, and melted butter to the mixture to make the batter.
Evenly pour the batter into mini donut molds.
Bake in the oven for 15 minutes.
Let cool, then top with coconut flour or unsweetened chocolate as desired.