Possible Clues:

• Before Sat, cooked part of lunch for Sun?
• Traditional food? Best of era cooked
• What makes for fatso - beer and Sunday dinner?
• What needs baste for English cooking
• Entree carved by a chef
• Tradition of British consumers to criticise and complain
• Good-humoured ridicule has complaint for Sunday lunch
• Typical English dish
• Food to criticise, having complaint
• Sandwich filler