gluten-free/plain flour (1 cup + 2tbsp) • baking powder • baking soda/bicarb of soda • salt • cocoa powder (1/3 cup) • light coconut milm • apple cider vinegar • Guinness (not vegan or gluten-free, other stouts are vegan so check online or use black coffee instead) • sugar • vegetable oil • vanilla extract • your favourite chocolate buttercream icing, enough for 12 cupcakes •