Possible Clues:

• For example, Dorothy's rejected heavy meal
• On reflection, say spots result from an unhealthy diet
• Set dog (anag)
• Fattening food
• Uninteresting food
• Filling food set out -- stray dog gets stuck in
• Dull food supplied by member, shortly after the end of business
• Dog set about heavy chow
• For example, Dorothy’s served up filling food
• Unexciting food, for example, Dorothy’s briefly brought up