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
Chocolate syrup decorate servings of cheesecake or cake, along with other decorations such as cocoa powder, powdered sugar or chocolate shavings. Some brands of chocolate syrup are marketed as chocolate milk syrup (e.g., Nesquik). Other brands are marketed as ice cream sundae toppings. A simple chocolate syrup can be made from unsweetened cocoa powder, a sweetener such as sugar, and water. Recipes may also include other ingredients, such as corn syrup, malt, and flavorings like vanilla extract. Industrial recipes may contain ingredients such as: Chocolate syrup was often used in black-and-white movies to simulate blood, because it was safe for the performers