Possible Clues:

• T at the top to 17 across
• Seems you'd not get down to having it in the late afternoon
• Lofty evening meal
• Meal to make you euphoric?
• Part of leg, initially very delayed, at each meal
• Afternoon repast
• Meal that may be served up?
• Old politician's wife out — heat up meal
• Afternoon refreshment for those who have been at the pot?
• Meal's off — drink?