Possible Clues:

• Light meal
• Meal's important on Sunday
• One having a drink or a late meal
• As a matter of course it's later and slower, perhaps
• Penny tucked into fabulous meal
• Great to have last scrap at meal time
• Of late, of course, of higher at end
• Last meal of the day
• Word in the title of a da Vinci painting
• Not slower, perhaps, of course of late