Use a clip-on thermometer , hover over the pan , and heat over medium-low or low heat to prevent curdling .
使用夹式温度计，把它悬在锅的上方，中低温或低温加热可以防止凝结。
It was blood curdling , earth shattering and heartbreaking !
这是血液凝结，天崩地裂和令人心碎！
One alternative : stabilize milk with starch , like cornstarch or flour , if you want to bring it to a boil ; the starch will prevent curdling ( and it 'll thicken the milk , too ) .
I do believe I 'm strong , but I 've always been squeamish around needles-going back to my first childhood finger prick , which I resisted with blood curdling wails .
