1. Add Pettina Butter Cake mix and Bakels Butta Blends and blend for 6 minutes, slowly add eggs and continue to mix for another 5 minutes.
2. Divide batter into 3 portions, mixing Blueberry and Mango Paste for each portion.Keep one portion neutral.
3. Pipe each difference flavoured batter onto the baking tray one layer on top of each flavours.
4. Bake at 170°C for about 45 minutes.