焯水的关键与诀窍.涨姿势了 用冷水锅焯水应掌握以下关键
①锅内的加水量不宜过多,以淹没原料为度。
②在逐渐加热过程中,必须对原料勤翻动,以使原料受热均匀,达到焯水的目的。
2、沸水锅焯水法
这是将水烧沸后,再投入原料煮一下的方法,适用于蔬菜中的叶、花、嫩茎类原料和块小质嫩、腥膻异味少的动物性原料。
如蔬菜中的菠菜、青笋、油菜等,用沸水锅焯水便能保持这些原料的质地脆嫩,色泽鲜艳;若用冷水锅焯水,则水沸叶黄、熟烂,并且还会损失大量营养物质;而鱼类、贝类和切成小块的质嫩腥味少的动物性原料,入沸水锅中稍加氽烫,就可去净血污和异味,并可保持其鲜嫩。若把这些原料改用冷水锅焯水,一是容易使其老化,二是原料容易失去鲜味,三是易破碎。
用沸水锅焯水应掌握以下关键:
①叶类蔬菜原料应先焯水再切配,以免营养成份损失过多。
②焯水时应水宽火旺,以使投入原料后能及时开锅;焯制绿叶蔬菜时,应略滚即捞出。
③蔬菜类原料在焯水后应立即投凉控干,以免因余热而使之变黄、熟烂的现象发生。
另外,不管是用冷水锅焯水,还是用沸水锅焯水,均需注意以下原则:
1、把握好焯水对原料营养成份的影响
虽然焯水能使原料中的异味转化成无味,腥膻味能随着脱水过程而得以减轻,但由于焯水有时也会使原料内的一些不稳定、可溶性营养物质溢出,特别是新鲜蔬菜中的水溶性维生素更容易受到损失,因此,焯水应针对原料的性质,科学地去进行。
2、焯水时,要根据原料质地不同、色泽深浅的不同、块状大小的不同而分别焯水
动物类原料与植物类原料要分别焯水;色味较重的与色味较轻的要分别焯水;块状大的要与块状小的分别焯水,以防彼此串味,同时也便于掌握火候。
3、应根据原料的性质和切配烹调的要求掌握好焯水的火候
如焯制绿色蔬菜类原料时,水复开即可;焯制根、茎类蔬菜原料的时间略长;肉类原料则以焯至断生为度,如达不到断生的程度,会造成色泽不艳、异味除不净,甚至影响成菜的质量。反之焯透后,菜肴会变得老硬,或破碎不成形、颜色变暗,失去鲜味。
4、焯制动物性原料后,汤汁不应弃掉,可在撇沫澄清后作为鲜汤使用。
三、焯水的一些诀窍
1、蔬菜焯水时加点盐,可减少蔬菜中营养物质的损失
从营养学角度分析,蔬菜焯水可增加水溶性营养物质的损失,如小白菜在1OO℃的沸水中烫2分钟,维生素的损失率便高达65%。若焯水时加入1% 感谢楼主分享 《危机中国应对建议》第四版;六万汉字,55条。
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