Melt the butter and combine with flour to make a white roux. 黄油在锅中融化,加入面粉,用手持搅拌器划圈成白色面糊。
Add milk to roux and bring to a boil. Lower the heat to a simmer. 加入牛奶搅拌均匀至烧开,关小火慢煮。
Add onion, bay leaf and clove -- simmer for 30 minutes.加入洋葱、月桂叶和丁香,慢火煮30分钟。
Strain through a china cap. 将酱汁用粗目漏网过滤。