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
Molten chocolate cake chocolate are melted together, while the eggs are either whisked with the sugar to form a thick paste, producing a denser pastry, or separated, with the white whipped into an meringue to provide more lift and a lighter result. A tablespoon of strong coffee is sometimes added to enhance the chocolate flavor. Vanilla extract, salt and cinnamon are additionally recommended in some cases to add extra flavor. The cakes are typically baked in individual portions in ramekins, however, there are a number of creative variations in chocolate lava cakes or molten chocolate cakes such as preparing the cakes in a