Ingredients:
1 and 1/4 cups of flour          
1/4 cup of cocoa powder         
2 teaspoons of baking powder  

1/2 cup brown sugar    

2 eggs               

1/2 cup milk 

100g butter, melted       

1 cup chocolate chips

Instructions:
Sift the flour, cocoa and baking powder into a bowl. Stir in the brown sugar. In a separate bowl beat the eggs and milk together until combined. Make a well in the centre of the dry ingredients and add the butter, egg mixture and chocolate chips. Mix to just moisten. Then spoon the mixture into a muffin tray and bake at 190 degrees Celsius for 20 minutes.