Add oil and dandelion coffee waste into a food processor and blend until smooth.
Add eggs and milk (room temperature) to the dandelion mixture and mix well.
Add dandelion mixture to dry ingredients and mix well.
Add blackberries and carefully mix them into the cupcake mixture.
Divide the cupcake mixture into 12 cupcake forms.
Decorate each cupcake with one berry.
Bake in an oven or airfyer in 180℃ for 20 minutes.
Notes
It is best to bring the eggs and milk to room temperature by placing them outside the fridge for a while before baking. If they are too cold the coconut oil may become solid.