1. Preheat the oven to 180℃.
2. Line a brownie tin with baking paper or alternatively use coconut oil.
3. Combine all ingredients (except the chia seeds and chocolate chips) in a food processor. Process for approximately 2-3 minutes, until smooth.
4. Add the chia seeds and dark chocolate chips and process on low for an additional 1 minute until mixed through.
5. Transfer the mixture to the brownie tin and bake for approximately 20 minutes.
6. Enjoy hot or cold.