Muffin Keping Coklat Terbaik

Bahan-bahan (12 porsi)

• 2 1/2 cups / 375g plain flour (all purpose flour)
• 3 tsp baking powder
• 1 tsp baking soda / bi carb soda
• 1 cup / 220g white sugar (Note 1)
• 1/4 tsp salt
• 1 cup / 250ml buttermilk (Note 2)
• 1/4 cup / 60g unsalted butter, melted
• 4 tbsp / 80 ml vegetable oil
• 2 large eggs, lightly whisked
• 2 tsp vanilla extract
• 1 3/4 cups / 300g chocolate chips (US: semi-sweet)