Possible Clues:

• Pastry offered up, and doughnuts, by a restaurant
• Eatery serving 47-Downs
• After dish is sent back, a riot breaks out in restaurant
• Upset pudding leads to a riot breaking out in foreign restaurant
• Restaurant set up to display excessive skill
• Where dessert is rejected, stirring up a riot?
• First-class crumble, pie brought over in restaurant
• First-class dish of pastry served up outside hill restaurant
• Casual Italian joint
• Display food raised and taken round to restaurant