St Patrick’s Day Chocolate Guinness Cupcakes Ingredients • 95g unsweetened cocoa, plus more for dusting finished cupcakes • 400g sugar • 240g all-purpose flour • 1 tsp baking soda • Pinch of salt • 1 bottle Guinness • 250g butter, melted • 1 tbsp vanilla extract • 3 large eggs • 190ml sour cream • 230g cream cheese, softened at ...