无盐黄油 butter preferably unsalted | 30 g |
无糖可可粉 cocoa powder | 1 tablespoon |
香草精 vanilla extract | ¼ teaspoon |
开水 boiling water | 250 ml |
所有材料放入搅拌机(如果用手持搅拌机搅拌,就把所有材料放入一个大一点的容器)。Put the ingredients in a tall beaker to use with a hand blender.
搅拌15-20秒,出现细腻的泡末即可。Mix for 15–20 seconds or until there’s a fine foam on top.