In a separate bowl, combine the butter (or oil) and the sugar. Mix until fully incorporated. Then, add eggs one at a time and beat well after each addition.
3. Step
Add the banana mixture to the egg mixture and mix well. Then, add milk and flour to the mixture, alternating with the two.
4. Step
Finally, fold in chocolate chips, walnuts, and raisins.
5. Step
Bake at 180*C for about 35 minutes or until baked through.
