Line a mini muffin pan with 24 paper liners. Set aside.
In a microwave safe bowl, melt the Nutella and coconut oil in the microwave in 30 second intervals until smooth.
Divide evenly into the prepared muffin pan and top with one mini cookie each.
Transfer the pan to the freezer to harden. Remove from the freezer and transfer to an airtight container. Store in the freezer or the fridge.