Which celebrity chef's endorsement helped transform a basic olive oil brand into a premium product, increasing its sales by over 400% within the first year of partnership?

Celebrity chefs have become powerful brand ambassadors in the food industry, helping products gain credibility and visibility. Their endorsements can transform an ordinary food product into a must-have kitchen staple. This trivia question tests your knowledge of one of the most successful chef-brand partnerships that revolutionized home cooking and significantly boosted sales for a household staple.

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Gordon Ramsay with Sainsbury's olive oil
Jamie Oliver with Bertolli olive oil
Emeril Lagasse with Colavita olive oil
Giada De Laurentiis with Filippo Berio olive oil