a cocktail with frothed egg whites on top - Bhofack2/Getty Images For those with a penchant for sour cocktails (here's a tip to take your whiskey sour to the next level), raw eggs are non-negotiable.

This video tests a simple kitchen tool designed to separate egg yolks from egg whites. Viewers will see how the egg separator works, how easy it is to use, and whether it actually makes cooking and ...