(about 50 mini cupcakes)115g normally salted butter (salt 1,4g /100g)57g dark chocolate (I use 44%)45g unsweetened cocoa powder95g all-purpose-flour1/2 teaspoon baking soda3/4 teaspoon baking powder0,6ml salt (if you use unsalted butter add salt 1/4 teaspoon)2 eggs100g granulated sugar50g light brown sugar1 teaspoon vanillasugar120ml buttermilk= mix 2 teaspoons white vinegar or lemon juice with 120ml semi-skimmed milk
