Chocolate whether emulsifying agents are added. Different manufacturers develop their own "signature" blends based on the above formulas, but varying proportions of the different constituents are used. The finest, plain dark chocolate couvertures contain at least 70% cocoa (both solids and butter), whereas milk chocolate usually contains up to 50%. High-quality white chocolate couvertures contain only about 35% cocoa butter. Producers of high-quality, small-batch chocolate argue that mass production produces bad-quality chocolate. Some mass-produced chocolate contains much less cocoa (as low as 7% in many cases), and fats other than cocoa butter. Vegetable oils and artificial vanilla flavor are often used
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