culinary mugging 

The feeling a customer has when s/he has received the bill at the end of a meal, to find "the special" was three times the price of other dishes, and the price of the meal was four times more expensive than it should have been

"How much? For this rubbish?!!! You are a bunch of culinary muggers

After the meal I felt like I had experienced a Culinary Mugging

culinary mugging by Greengage December 21, 2009