Adding acidity to poaching water and how to tell when eggs are poached; learn this and more tips and preparation tips in this free online cooking video!  Now what we are going to do very carefully is crack your egg and gently open it up, let it drop to the bottom and the whites should coagulate around the yolk and it should be altogether. If you don't add the acidity, the lemon or the vinegar, it will fall apart.  Watch this video and learn step by step how to poach the perfect egg for eggs benedict.