Methods: 1. Put all the ingredient A into the i-Processor, set at speed 5 and blend for 2 minutes. 2. After blending, pour the batter into the paper cup until half full, put in some dark chocolate coins, then add the batter until 70% full. 3. Sprinkle with some ingredient C, then bake in the oven for 20 minutes at 180֯ C. Ready to serve.