Possible Clues:

• Pasta sauce variety
• Sauce of basil, pine nuts, etc
• Bothering person over nothing - what sauce!
• Nuisance, having nothing for sauce
• Basil-based paste
• Sauce with olive oil
• It. basil sauce
• Genoese sauce
• Basil-based topping
• The sauce of a naughty child beginning to obtrude