A bar spoon is a long handled spoon

Spoon

A spoon is a utensil consisting of a small shallow bowl, oval or round, at the end of a handle. A type of cutlery , especially as part of a place setting, it is used primarily for serving. Spoons are also used in food preparation to measure, mix, stir and toss ingredients...

 used in bartending

Bartender

A bartender is a person who serves beverages behind a counter in a bar, pub, tavern, or similar establishment. A bartender, in short, "tends the bar". The term barkeeper may carry a connotation of being the bar's owner...

 for mixing and layering of both alcoholic

Alcoholic beverage

An alcoholic beverage is a drink containing ethanol, commonly known as alcohol. Alcoholic beverages are divided into three general classes: beers, wines, and spirits. They are legally consumed in most countries, and over 100 countries have laws regulating their production, sale, and consumption...

 and non-alcoholic mixed drinks. Its length ensures that it can reach to bottom of the tallest jug

Jug (container)

A jug is a type of container used to hold liquid. It has an opening, often narrow, from which to pour or drink, and nearly always has a handle. One could imagine a jug being made from nearly any watertight material, but most jugs throughout history have been made from clay, glass, or plastic...

 or tumbler to mix ingredient

Ingredient

An ingredient is a substance that forms part of a mixture . For example, in cooking, recipes specify which ingredients are used to prepare a specific dish. Many commercial products contain a secret ingredient that is purported to make them better than competing products...

s directly in the glass. A bar spoon holds about 5 millilitres of liquid (the same as a conventional teaspoon

Teaspoon

A teaspoon, an item of cutlery, is a small spoon, commonly part of a silverware place setting, suitable for stirring and sipping the contents of a cup of tea or coffee...

). Its long handle is similar to an iced tea spoon

Iced tea spoon

An iced tea spoon, also called a soda spoon, is a thin spoon with a very long handle. It is used primarily in the United States, for stirring sugar or other sweeteners into iced tea, which is traditionally served in a tall glass. This is why the spoon has a very long handle.It is also commonly used...

 but is usually decorative and elegant - some variations mimic large swizzle stick

Swizzle stick

Swizzle sticks are small sticks placed in cocktails to hold fruit or stir the drink. Commonly made of plastic, the swizzle portion of the swizzle stick name originated from the Caribbean cocktail, Rum Swizzle....

s, with a disc at one end.