咖啡磅蛋糕|Coffee Pound Cake 无盐黄油 Unsalted butter 120g|1/2cup 细砂糖 Sugar 100g|1/2cup 全蛋 Whole egg 2|120g+- 低筋面粉 Cake flour 140g|1cup 泡打粉 Baking powder 3g|1tsp 温牛奶 Lukewarm milk 30ml|2Tbsp 速溶咖啡 Instant coffee 6g|3tsp 香草精 Vanilla extract 1/4tsp 烤盘 Pan size 18x8x9cm 170°C|340°F 烘烤40-45分钟 Bake at 170°C|340°F for 40-45 minutes