Chocolate chip Banana Cupcakes

Adapted the recipe from here.
Thank you for sharing such a wonderful recipe, so fluffy and rich in flavour

Ingredients:
250 g Butter
200 g sugar
300 g self raising flour
4 eggs
1/2 tsp baking powder
1/2 tsp baking soda
4 tbsp cocoa powder
200 ml milk
250g chocolate chips
300g mashed banana
some banana wedges (cut into quarter)

1) Beat butter and sugar till fluffy
2) add in egg one by one
3) sift in sifted flour, baking soda, baking powder alternately with the milk
4) then the banana and the chocolate chips
5) spoon into the paper cup and put in the banana wedges in the middle of the batter

Bake for 35 minutes, 180 C

Make about 20 cups. You can reduce all the ingredient by half to make 10 cups