Which celebrity chef endorsement led to a 400% sales increase for the endorsed food product within the first month of the campaign's launch?

Food brands frequently partner with renowned chefs to boost credibility and appeal. These endorsements can significantly impact consumer perception and sales. This poll tests your knowledge about one of the most successful chef endorsement campaigns that transformed both the chef's career and the product's market position. Can you identify which chef-product partnership created the biggest sales surge in food retail history?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Gordon Ramsay's partnership with Royal Doulton cookware
Jamie Oliver's endorsement of Sainsbury's supermarket (2000-2011)
Rachael Ray's collaboration with Nabisco crackers
Bobby Flay's endorsement of McCormick spice collection