Chocolate bar components: cocoa solids, cocoa butter, sugar, and milk. The relative presence or absence of these define the subclasses of chocolate bar made of dark chocolate, milk chocolate, and white chocolate. In addition to these main ingredients a chocolate bar may contain flavorings such as vanilla and emulsifiers such as soy lecithin to alter its consistency. While vanilla is the most common flavouring, many other flavours are available, including mint, orange, and coffee. Chocolate bars containing other ingredients feature a wide variety of layerings or mixtures that include nuts, fruit, caramel, nougat, and fondant. A popular example is a Snickers bar,
Aero (chocolate) times in the word "AERO." In the 1970s, an advertisement was aired in which had kids flying an Aero bar as if it was a kite. There are several flavours of Aero. These include the Original Aero (which consists of milk chocolate throughout), Mint Aero (with a green, bubbly, mint flavoured centre, covered in milk chocolate), Caramel Aero (with a caramel layer on top of the chocolate layer), Dark Chocolate Aero, White Chocolate Aero, Latte flavour Aero and Crispy Aeros (similar to Nestlé Crunch bars). Orange Aeros (orange/chocolate layered) were sold for a while as well, and larger 100 g