Mix the flour, baking powder, butter and sugar.
Add the milk, vinegar, vanilla and mix.
You can also throw in a few chocolate chips for flavoring.
Beat the batter smooth. Transfer onto the muffin moulds.
Bake in pre-heated oven for 20-25 minutes.
Key Ingredients: all purpose flour, baking powder, butter, sugar, milk, vinegar, vanilla essence, chocolate chips