如果厨房里只能留一把刀,那一定是主厨刀(chef’s knife)。它承担的切、片、剁、拍等工作,占了一个厨房里大部分切配任务。所以选主厨刀值得花点时间。
先定尺寸
常见尺寸是 6 寸、8 寸、10 寸。这里说的是刀刃长度。
- 8 寸(约 20 厘米):最适合家庭厨房,切菜、切肉都够用,也是大多数人的第一把。
- 6 寸:手小、厨房台面窄、或者主要处理小份食材的人可以考虑。
- 10 寸:刀身长、切大块食材更利落,但对收纳和操作空间有要求。
再选材质
家用建议直接从不锈钢入手。常见的不锈钢刀具硬度大概在 HRC 55~58 之间,兼顾了锋利度和不易生锈。硬度更高的刀(HRC 60 以上)会更锋利、保持性更好,但也更脆,不适合砍骨头,磨起来也更费劲。高碳钢刀非常锋利,但需要勤擦勤养,否则容易生锈。
最容易被忽略的是手感
参数看得再多,也不如实际上手握一握。建议这样判断:
- 握法:用拇指和食指捏住刀身与刀柄交界处(pinch grip),感受刀的重心是否稳、有没有头重脚轻。
- 重量:连续握一分钟左右,感觉手腕是否吃力。太重的刀切一会儿就累。
- 刀柄:是否贴合手掌、有没有硌手的地方。手柄湿了之后会不会滑也很重要。
- 刃口:新刀应该能轻松切开一张纸,或者顺滑地切过番茄而不压扁它。
一把就够了,但别忘了砧板
再好的刀,天天在玻璃或大理石台面上切,也会很快卷刃。配一块木质或塑料砧板,刀具的寿命会明显延长。相关方法可以参考本站的刀具保养文章。
Choosing a Chef’s Knife
The chef’s knife handles most cutting tasks in a home kitchen, so it is worth choosing carefully. Start with size: 8 inches (about 20 cm) suits most home cooks; 6 inches works well for smaller hands or smaller kitchens; 10 inches is useful for large items but needs more space.
For home use, stainless steel is the practical choice — typically around HRC 55–58, balancing sharpness with rust resistance. Harder blades (HRC 60+) hold an edge longer but are more brittle and harder to sharpen, while high-carbon steel needs frequent drying and care.
The most overlooked factor is feel. Try a pinch grip on the bolster, check where the balance point sits, hold it for a minute to see whether your wrist tires, and make sure the handle is comfortable and not slippery when wet.
Whatever knife you choose, cut on wood or plastic boards — glass and stone surfaces will roll the edge quickly.