Possible Clues:

• Before the start of event formidable person will be dressing
• Like some raw fish are -- sharp in taste to start with
• Pair of sailors beginning to exhibit sauce
• Sauce for fish
• Served raw, steak say
• Follower of Genghis Khan beginning to enjoy this sauce?
• With the pastry, are having sauce
• Old warrior demands head of enemy, raw
• (Mayonnaise) sauce; raw (steak)
• Sauce from sailor with sailor's sweetheart