A pastry bag (or piping bag in the

Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. Historically, it has been synonymous with "republic". The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the ...

) is an often

cone A cone is a three-dimensional geometric shape that tapers smoothly from a flat base (frequently, though not necessarily, circular) to a point called the apex or vertex. A cone is formed by a set of line segments, half-lines, or lines con ...

- or triangular-shaped bag made from

cloth Textile is an umbrella term that includes various fiber-based materials, including fibers, yarns, filaments, threads, different fabric types, etc. At first, the word "textiles" only referred to woven fabrics. However, weaving is not the ...

paper Paper is a thin sheet material produced by mechanically or chemically processing cellulose fibres derived from wood, rags, grasses or other vegetable sources in water, draining the water through fine mesh leaving the fibre evenly distribu ...

plastic Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be moulded, extruded or pressed into solid objects of various shapes. This adapta ...

, or the intestinal lining of a lamb, that is squeezed by hand to ''pipe'' semi-solid

food Food is any substance consumed by an organism for nutritional support. Food is usually of plant, animal, or fungal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals. The substance is in ...

s by pressing them through a narrow opening at one end often fitted with a shaped nozzle, for many purposes including in particular

cake decoration Cake decorating is the art of decorating a cake for special occasions such as birthdays, weddings, national or religious holidays, or as a promotional item. It is a form of sugar art that uses materials such as icing, fondant, and other edib ...

and icing. It is filled through a wider opening at the opposite end, rolled or twisted closed, and then squeezed to

extrude Extrusion is a process used to create objects of a fixed cross-sectional profile by pushing material through a die of the desired cross-section. Its two main advantages over other manufacturing processes are its ability to create very complex c ...

its contents. Many differently shaped nozzles are used to produce cross-sections such as star, leaf, and flower-petal shapes; a simple circular nozzle makes round shapes and is also used for filling pastries such as

profiterole A profiterole (), cream puff (US), or ''chou à la crème'' () is a filled French and Italian choux pastry ball with a typically sweet and moist filling of whipped cream, custard, pastry cream, or ice cream. The puffs may be decorated or left p ...

s. In addition to icing, pastry bags are commonly used to shape meringue and

whipped cream Whipped cream is liquid heavy cream that is whipped by a whisk or mixer until it is light and fluffy and holds its shape, or by the expansion of dissolved gas, forming a firm colloid. It is often sweetened, typically with white sugar, an ...

, and to fill

doughnut A doughnut or donut () is a type of food made from leavened fried dough. It is popular in many countries and is prepared in various forms as a sweet snack that can be homemade or purchased in bakeries, supermarkets, food stalls, and fra ...

s with jelly or

custard Custard is a variety of culinary preparations based on sweetened milk, cheese, or cream cooked with egg or egg yolk to thicken it, and sometimes also flour, corn starch, or gelatin. Depending on the recipe, custard may vary in consistency fr ...

. They are used to form

cream puff A profiterole (), cream puff (US), or ''chou à la crème'' () is a filled French and Italian choux pastry ball with a typically sweet and moist filling of whipped cream, custard, pastry cream, or ice cream. The puffs may be decorated or left pl ...

s, éclairs, and ladyfingers. Bags can also be used to shape savory foods such as filling for deviled eggs, whipped

butter Butter is a dairy product made from the fat and protein components of churned cream. It is a semi-solid emulsion at room temperature, consisting of approximately 80% butterfat. It is used at room temperature as a spread, melted as a condim ...

, and

mashed potato Mashed potato or mashed potatoes (American and Canadian English), colloquially known as mash (British English), is a dish made by mashing boiled or steamed potatoes, usually with added milk, butter, salt and pepper. It is generally served as a ...

es (especially for ''Pommes duchesse''). Reusable bags are usually made from tightly woven

nylon Nylon is a generic designation for a family of synthetic polymers composed of polyamides ( repeating units linked by amide links).The polyamides may be aliphatic or semi-aromatic. Nylon is a silk-like thermoplastic, generally made from pet ...

polyester Polyester is a category of polymers that contain the ester functional group in every repeat unit of their main chain. As a specific material, it most commonly refers to a type called polyethylene terephthalate (PET). Polyesters include natura ...

rubber Rubber, also called India rubber, latex, Amazonian rubber, ''caucho'', or ''caoutchouc'', as initially produced, consists of polymers of the organic compound isoprene, with minor impurities of other organic compounds. Thailand, Malaysia, and ...

or waterproofed (plastic-coated)

cotton Cotton is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus '' Gossypium'' in the mallow family Malvaceae. The fiber is almost pure cellulose, and can contain minor pe ...

. After use they are washed and hung to dry. A high-quality bag may last for many years. Disposable bags do not require washing; they are typically made of inexpensive plastic. A plastic food storage bag may be used as a pastry bag. For small quantities and fine piping, a pastry bag can be made by rolling cooking

parchment Parchment is a writing material made from specially prepared untanned skins of animals—primarily sheep, calves, and goats. It has been used as a writing medium for over two millennia. Vellum is a finer quality parchment made from the skins ...

or wax paper into a cone, filling it, folding the wide end several times to close it, and then cutting the tip into whatever shape is desired. This is especially useful for small quantities of melted

chocolate Chocolate is a food made from roasted and ground cacao seed kernels that is available as a liquid, solid, or paste, either on its own or as a flavoring agent in other foods. Cacao has been consumed in some form since at least the Olmec ci ...

, since a very small hole can be cut and the bag can be discarded when it cools and becomes clogged. Interchangeable tips usually come in sets; particular tips can often be purchased individually. They may be chrome-plated or

stainless steel Stainless steel is an alloy of iron that is resistant to rusting and corrosion. It contains at least 11% chromium and may contain elements such as carbon, other nonmetals and metals to obtain other desired properties. Stainless steel's r ...

, or plastic. Each tip is cone-shaped, with a base too large to fit through the small opening in the bag; in some cases they are inserted through the larger opening before food is spooned in. If tips need to be interchanged without emptying the bag, they can be used with pairs of adapter rings: an inner ring is dropped inside the bag and pushed part way out the hole, a tip is slipped over the ring, then an outer ring is slipped over the tip and screwed onto the inner ring. Some inexpensive sets are of disposable plastic film with a drop-in ring and screw-on plastic tips (see image above). Many foods (including frosting and pressurized "spray can" whipped cream) can be purchased in disposable packaging designed to serve the function of a pastry bag.

References

{{DEFAULTSORT:Pastry Bag Food preparation utensils Bags Cake decorating

See also

References