Banana & chocolate chips muffins

Since I found that muffin is healthier than cup cake, I look for new recipes, and I got this one ;)

Ingredients (12)
2 cups flour
1 tbsp baking powder
1 cup sugar
2 eggs
1/4 cup vegetable oil
1 cup buttermilk*
2 tsp vanilla extract

1.5 mashed banana
0.5 sliced banana
3/4 cup dark chocolate chips

* Substitue
i/ 1 cup milk & 1 tbsp lemon juice or white vinegar, mix well and leave it for 10mins
ii/ 3/4 plain yoghurt & 1/4 water, mix well
iii/ 3/4 sour cream & 1/4 water, mix well

Instructions
1. Preheat the oven to 180°c

2. In a mixing bowl, mix flour, baking powder, sugar, eggs, oil, buttermilk and vanilla extract, stir until combined

3. Fold in mashed banana
Pour the mixture to 12 muffin moulds, 80% filled
Place chocolate chips & then sliced banana on the top

4. Bake the muffins for 25mins or until it is golden
When it is done, place them on a wire rack and let it cool down

Enjoy!