Which celebrity chef endorsement led to the largest single-year sales increase for a food product in retail history?

Celebrity endorsements can significantly impact food product success, often increasing sales by 20-30% in the first year. These partnerships merge culinary credibility with star power, creating powerful marketing synergies. This poll tests your knowledge about famous chef endorsements that transformed ordinary food products into kitchen must-haves. Can you identify which partnership created the biggest sales surge in food retail history?

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Gordon Ramsay's partnership with Royal Doulton cookware (2016)
Jamie Oliver's collaboration with Tefal pans (2005)
Rachael Ray's Nutrish pet food line (2008)
Bobby Flay's endorsement of Kraft Barbecue Sauce (2011)