Buttercream

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Buttercream
Pound layer cake.jpg
Layer cake with buttercream icing and decorations
Main ingredients
Fats (usually butter; sometimes lard or margarine), powdered sugar
Cookbook:Buttercream  Buttercream

Buttercream (also known as butter cream, butter icing, and mock cream) is a type of icing or filling used inside cakes, as a coating, and as decoration. In its simplest form, it is made by creaming butter with powdered sugar, although other fats can be used, such as margarine or lard. Colorings and flavorings are often added, such as chocolate, fruit purees, and various extracts. Buttercream is a common and popular topping for cupcakes, sponge cakes, butter cakes, and other desserts.

Whether buttercream with no butter or a butter equivalent can rightly be called buttercream is debated among bakers, pastry chefs, and cake decorators.

Types[edit]

Simple buttercream[edit]

Simple buttercream (also known as American buttercream, decorator's buttercream, and decorator's frosting) is made by creaming together fats (butter, margarine, or vegetable shortening) and powdered sugar to the desired consistency and lightness. Typically twice as much sugar (by weight) as butter is used. Flavorings, in the form of extracts and oils, may also be added. Some recipes call for non-fat milk solids; these add a creamy texture without the addition of the water from regular milk.

The icing can form a thin crust after prolonged time at a cool temperature, which prevents sticking. This is due to the high sugar content and may be prevented with the addition of invert sugars such as glucose or fructose. Compared to other types of buttercreams, simple buttercream has a high proportion of sugar content, making it the sweetest of all the buttercreams.

Meringue-based buttercream[edit]

There are three types of meringue-based buttercreams. Each is called after the type of meringue used. There are two cooked versions, Italian meringue and Swiss meringue, and one uncooked, or French version. The 2 cooked meringues must be cooled to room temperature in order not to melt the butter (which has a variable melting point below 40C/104F)[1] as it is subsequently beaten in.

Italian meringue is prepared by the addition of sugar syrup made by heating sugar and water (and sometimes the addition of glucose or corn syrup to stabilize the crystal structure) heated to the soft-ball stage (118°C, 240 °F) to egg whites whipped to soft peaks. The sugar syrup cooks the egg whites, heating them well past the 60°C (140°F) recommended in the USA to kill salmonella and any other potentially harmful bacteria. The syrup and egg white mixture is then whipped and cooled until it reaches room temperature.[2] Buttercream prepared in this method is also often referred to as Mousseline buttercream.[3]

Swiss Meringue is prepared by cooking the egg whites and sugar together in a bowl placed on a pot of boiling water. The mixture is whisked while it cooks until the temperature of the mix reaches 60°C. The mixture is then removed from the heat and whipped at high speed until it forms stiff peaks and has cooled

French meringue is prepared by whipping egg whites, cream of tartar, and caster sugar until stiff, glossy peaks are formed. French Meringue is usually used in recipes in which the prepared meringue is piped or spread onto a sheet pan and then cooked in a slow (low temp.) oven. When used as a base for buttercream, it remains uncooked. Because of the health concerns in the USA surrounding the consumption of raw eggs, the use of French meringue as the base for buttercream is rare there. In other countries, uncooked meringue is more common.

No matter which of the three types of meringue are used as the base, once it is prepared, butter and flavorings (extracts or oils) are then beaten into the meringue to transform the meringue into buttercream. Meringue-based buttercreams are light and creamy in texture and balanced between sweetness and richness. They are also the easiest to work with when icing and decorating cakes.

French buttercream, pâte à bombe based buttercream, or common buttercream[edit]

French buttercream is prepared in the same way as Italian meringue-based buttercream, except egg yolks (some versions use whole eggs or a combination of the two) are used in place of the egg whites—a hot sugar syrup which has reached the soft-ball stage is beaten into the egg yolks which have been beaten until they are thick and pale yellow. The syrup and egg yolk mixture is further whipped until it has formed a light foam and has cooled. Butter and flavorings (extracts, oils, or juices) are then whipped in. This icing is very rich, smooth, and light. French buttercream tends to melt faster than other buttercreams due to the high content of fat from the egg yolks and butter. This type of buttercream is best suited for use as a filling or an icing, but not for decorations.

Custard-based buttercream[edit]

Custard-based buttercream (also known as German buttercream, light buttercream, crème mousseline, and Bavarian buttercream) is prepared by beating together a thick type of custard called pastry cream and softened butter, and may be additionally sweetened with extra confectioners' sugar. Like French buttercream, this icing is very rich and smooth and is best suited for use as a filling or an icing, but not for decorations.

Rolled buttercream[edit]

Most often used for icing sugar cookies, rolled buttercream is prepared by mixing together a large amount of powdered sugar with vegetable shortening, glucose, or corn syrup, and flavorings (extracts and oils). So much powdered sugar is needed that it cannot all be incorporated using a spoon or mixer and must be kneaded in. Once all of the ingredients are combined, an icing dough is formed that can be rolled out and cut into shapes. Rolled buttercream is similar to fondant, but with a softer texture and less elasticity, it cannot be rolled as thin and so is not good for covering cakes or molding flowers or figures.

Choice of fat[edit]

The choice of fat in a buttercream frosting relates closely to the stability. Often, some amount of vegetable shortening is combined with butter for better consistency and resistance to heat.

Butter[edit]

Sweet cream unsalted butter is traditionally the fat of choice for buttercreams, as evidenced by the name. Butter provides a more delicate texture and superior flavor and mouthfeel (texture) when compared to vegetable shortening. Butter melts at a lower temperature, though, making it more difficult to use. The coloring provided by the butter is slightly off-white in the final frosting.

Margarine and shortening[edit]

Hydrogenated vegetable shortenings and margarine have become popular ingredients in commercial icings during the 20th century because they are cheaper and more stable at room temperature, and therefore easier to work with than butter. The whiter color is also favored, especially for wedding cakes. However, shortening does not dissolve in the mouth like butter, leading to a heavy, greasy feel inside of the mouth. The flavor of the buttercream is also not as intense. The resulting product raises health concerns due to the presence of trans fats in hydrogenated vegetable oils. Many margarines are virtually free of trans fats, but in the US, partially hydrogenated margarine is common.

Additions[edit]

Flavorings are commonly present in a buttercream frosting. Vanilla and chocolate are the most common additions, with coffee also a popular flavoring. Clear vanilla extract can be used to create a lighter-colored frosting. For chocolate buttercreams, cocoa powder or melted chocolate is added during the creaming stage or towards the end. Liqueurs or extracts, such as almond or peppermint, can also be added. For meringue-type and French buttercreams, the sugar syrup can be prepared with finely grated citrus zest or liquids such as juice for increased flavor. Food coloring can be added easily to any buttercream.

Handling[edit]

Most buttercreams can be left at room temperature without melting. Buttercreams made with shortening and a higher sugar content withstand warmer temperatures better than those made solely with butter. Cooling buttercream causes it to harden. If a frosted cake is cooled, the buttercream may crack.

For French buttercream, it is better to leave the cakes with buttercream covered in plastic wrap in the refrigerator. Remove them 10 or 15 minutes before serving or longer to mitigate the chill.

When using buttercream to frost a cake, it is best to work with it when it is soft and spreadable. Icings may be stored, covered, in the refrigerator for several days. Before use, the icing needs to sit outside the fridge so it can come up to room temperature. If it must be warmed quickly or if it curdles, it can be heated over warm water (such as a bain marie or double boiler) and beaten until it becomes smooth again. Avoid directly heating the buttercream.

See also[edit]

References[edit]

  1. ^ Belitz, Hans-Dieter (1999). Food Chemistry. Springer. p. 485. 
  2. ^ Maher, Mary. "Italian Meringue Buttercream Recipe". Food Network. Retrieved 22 April 2012. 
  3. ^ http://www.thekitchn.com/recipe-basic-cooked-buttercrea-68843