材料:1.低筋面粉...............45g,2.无糖可可粉.............30g,3.泡打粉................1/2茶勺,4.牛奶..................50g,5.细砂糖................40g+40g,6.色拉油................40g,7.大鸡蛋(蛋白分离)......4个,8.香草精(可无).........1茶勺,9.Rum(可无)............1茶勺,10.塔塔粉或白醋..........1/2茶勺,11.奶油.................200g,12.即溶咖啡..............2茶勺,13.开水..................1茶勺