‘Nutella Riots’ in France Show Price of a Sweet Toothbr Some stores resorted to restricting sales to one jar per person, with several quickly running out of stock and having to turn away customersbr We’ve seen it before: Giant discounts on TVs or games consoles or perhaps the latest iPhone generate a frenzy among shoppers.br When a supermarket chain slashed the price of 33-ounce jars of the spread on Thursday, scenes grewbr so heated in one store in Ostricourt, in the north of France, that the police had to be called.