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#REDIRECT [[Layered drink]]
'''Floating''' is a [[bartending]] technique where a [[liquor]] or ingredient is layered at the top of a drink. The cocktails or shots produced with this technique are known as either a [[Layered drink|Pousse-café]] or a [[layered drink]]. Although the amount of alcohol used in a float is only about half an ounce, it enhances the tone flavor of the drink at hand.<ref>{{cite book | last1 = Charming | first1 = Cheryl | title = Everything Bartender's Book: 750 recipes for classic and mixed drinks, trendy shots, and non-alcoholic alternatives | publisher = Adams Media | year = 2007 | page = 15 | url = https://books.google.com/books?id=PZDrwCyJcmIC&pg=PA15&dq=float+bartending&hl=en&ei=eHfDTMvYIsOBlAeg4tUD&sa=X&oi=book_result&ct=result&resnum=5&ved=0CEUQ6AEwBA#v=onepage&q=float%20bartending&f=false | accessdate = 2010-10-24}}</ref>

== Physical principle ==
Floating liqueurs is based on [[buoyancy]]. Anything less dense than a fluid floats on top of that fluid. This holds for solids, like a piece of wood on top of water, as well as for other liquids, like of oil on top of water. Oil and water do not mix, but it also happens for fluids that do mix. Any two liquids which have a different density can be floated on top of each other. The boyancy force prevents the fluids from mixing immediately, although the fluids do mix eventually over time, if they mix at all. To prevent the fluids from mixing through turbulence, it is important to pour them very slowly during layering.

Barkeepers often do not talk about density, but call fluids 'lighter' and 'heavier' or refer to 'specific gravity', which means the same. If two identical volumes of fluids are compared, the denser one weighs more than the ligther one.

== Floating Liqueurs in practice ==
Floating only works if the denser liquor is poured into the glass first. If the lighter one is poured in first, the denser one falls through to the bottom of the glass, which creates a lot of unwanted turbulence. Densities of common cocktail ingredients can be looked up online<ref>{{cite web|url=https://www.goodcocktails.com/bartending/specific_gravity.php|website=Good Cocktails|accessdate=13 January 2018|title=Specific Gravity of Liqueurs}}</ref>, or one uses the following rule of thumb. Sweet liqueurs with low [[Alcohol proof|proof]] are the heaviest, and dry liqueurs with high proof the lightest<ref>{{cite book | last1 = Oldham | first1 = Roger S. | title = Student Textbook | publisher = Professional Bartending Schools of America, Inc. | date = Aug 2008 | location = Cincinnati, OH | accessdate = 2010-10-27}}</ref>.

Begin by pouring the heaviest ingredient into a glass normally, then pour the next ingredient over the back of an upside-down spoon slowly into the glass. The spoon tip should almost touch the current fluid level, but should be always kept above it. Each layer should be at least 10 degrees of proof higher than the previous layer. Though as many liqueurs as desired can be layered on top of one another, the majority of layered shots only contain three to five different layers.<ref>{{cite book | last1 = Harvard Student Agencies, Inc. | title = Bartending 101: The Basics of Mixology | page = 113 | url = https://books.google.com/books?id=QyusKkN-tqgC&printsec=frontcover#v=onepage&q&f=false | accessdate = 2010-11-17 | isbn = 0-312-34906-8}}</ref>

"Creating a rainbow effect in a glass with different-colored cordials requires a special pouring technique. Simply pour each liqueur slowly over an inverted teaspoon (rounded side up) into a glass. Start with the heaviest liqueur first. (Recipes will give proper order.) Pour ''slowly''. The rounded surface of the spoon will spread each liqueur over the one beneath without mixing them. You can accomplish the same trick using a glass rod. Pour slowly down the rod."<ref>{{cite book | editor-last = Giglio |editor-first = Anthony | title = Mr. Boston: Official Bartender's and Party Guide | publisher = John Wiley & Sons | year = 2006 |location = Hoboken, NJ | page = 6 | isbn = 0-7645-9732-9}}</ref>

== Recipes ==

=== [[B-52 (cocktail)|B52]] ===

Probably no shooter is better known than this brown bombshell. In a shooter glass, layer the following ingredients carefully, in the listed order:

* 0.5 oz. Coffee liqueur
* 0.5 oz. Irish Cream
* 0.5 oz. Triple Sec

=== Suntan lotion Shot ===

This is a red white and blue summer treat. Chill liquor bottles and layer equal amounts into a shot glass in this order:

* 0.5 oz grenadine
* 0.5 oz Malibu coconut rum
* 0.5 oz UV Blue

==Notes==
{{Reflist}}

==References==
*{{cite book | last1 = Giglio | first1 = Anthony | title = Mr. Boston: Official Bartender's Guide | chapter = Techniques | publisher = John Wiley & Sons, Inc. | year = 2009 | location = Hoboken, New Jersey | url = https://books.google.com/books?id=m4Z4CG75FckC&printsec=frontcover&dq=mr+boston&hl=en&ei=MALSTMOGBIiq8AbrvdTdDA&sa=X&oi=book_result&ct=result&resnum=1&ved=0CDAQ6AEwAA#v=snippet&q=Floating&f=false | accessdate = 2010-11-04 | quote = Floating Liqueurs}}

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[[Category:Bartending]]


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Latest revision as of 04:22, 29 January 2024

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