What are the main ingredients in a classic Caesar salad, and how are they typically prepared? Your response should contain at least 2 placeholders represented by square brackets, such as [address]. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. Include keywords *romaine lettuce*, *croutons*, *parmesan cheese*, *caesar dressing* in the response. At the end of your response, please explicitly add a postscript starting with *P.S.*
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