Making culinary foams for cocktails
I would like to make a foam using a cordial, lime juice and egg whites. SHould I add lecithin and what would the portions be? Also what would the effect be if I used 1 charge each of NO2 & CO2?
Best Answer
I suspect that if you are using egg whites, you won't need to add the lecithin. The egg whites are more than capable of creating a protein-based foam on their own. Using CO2 will give you residual carbonation. I would just use the NO2 (unless you want the foam to be somewhat sparkling). Oh, in fact here is a recipe confirming that just the egg whites are sufficient: http://www.smallscreennetwork.com/video/476/raising_the_bar_how_to_make_foam_for_a_cocktail/
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How do you make good foam for a cocktail?
This technique relies heavily, first and foremost, on the ''Dry shake'' which consists of first shaking all the ingredients of the cocktail, including the egg white, without ice cubes. This allows you to break up the proteins of the egg white and add froth to the cocktail. Shake for between 25-30 seconds without ice.How do you make homemade culinary foam?
Foams can be applied to the surface of a cocktail, the aroma and flavour of which usually contrast with that of the drink beneath, so adding complexity. These foams are made by a chemical reaction between protein and nitrous oxide (N2O).How To Make Culinary Foam
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