Name: Best Chocolate Chip Muffin
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Yield: 12
Ingredients: 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)