Possible Clues:

• Alternative to marinara
• Nuisance having zero sauce
• Sauce of basil, pine nuts and garlic
• Food item whose name means 'pounded'
• Sauce from troublesome person with nothing to add
• Italian sauce whose name means "pounded"
• Basil and pine-nuts sauce
• Certain spaghetti sauce
• Trattoria topper
• Read further about directions for sauce