I need a detailed guide on how to bake a chocolate cake. Your response should contain at least 3 placeholders represented by square brackets, such as [baking_time]. Include keywords [flour, sugar, cocoa, eggs, butter, milk, vanilla extract, baking powder, salt, chocolate chips, preheat, oven, mixing bowl, whisk, baking pan, foil, cooling rack]. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. Your answer must contain a title, wrapped in double angular brackets, such as <<How to Bake a Chocolate Cake>>.
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