Line a 20x20 baking tin with baking paper. Combine all the dry ingredients in a large bowl.
Add the coconut oil and honey to a small saucepan and warm to melt the coconut oil. Add the peppermint oil.
Pour over the dry ingredients and mix well to combine. Add to your lined tin and press down with your hands so it is compacted. Use the back of a spoon to smooth over.
Place in the fridge for 30 minutes to set then slice into bars.
Will keep in the fridge for 1 week or freeze for months