Banana muffins

I make these banana muffins aloth because i just love them. They came out of a magazine.

Ingredients
3 ripe bananas, mashed
½ cup sugar
100g butter, melted
1 egg
2 tbsp milk
1½ cups flour
1 tsp baking soda
1 tsp baking powder
1½ cups chocolate bits

Directions
1. Heat oven to 190°C (170°C fan bake). Grease a 12-hole standard muffin pan or line with paper cases.
2. In a bowl, place mashed bananas, sugar, melted butter, egg and milk and stir to combine.
3. Sift flour, baking powder and baking soda onto banana mixture and stir to just combine. Stir in chocolate bits.
4. Spoon mixture into prepared pan and bake for 20 to 25 minutes.