1. Melt 3/4 of a chocolate bar (approximately 45g) with the coconut oil.
2. In a bowl, using a mixer, beat the eggs and coconut sugar for about 1 minute until frothy.
3. Gradually add the melted chocolate while continuing to beat until everything is well incorporated.
4. Add the brown rice flour, cocoa powder, salt, baking powder, and chocolate chips, then mix with a spatula until just combined.
5. Pour the mixture into a mold lined with parchment paper and bake in the oven for 12-15 minutes at 180°C.