Chop the almonds into small pieces.
In a bowl, combine the chopped almonds, unsweetened cocoa powder, protein powder, and erythritol.
Melt the coconut oil using a double boiler or microwave.
Add the melted coconut oil to the bowl and mix all the ingredients thoroughly.
Spread the mixture evenly into a small mold.
Refrigerate for at least 1 hour, then cut into bite-sized pieces.