Which celebrity chef's endorsement deal with a food brand resulted in the highest first-year sales increase in culinary product history?

The partnership between food brands and celebrity chefs has become a powerful marketing strategy in the food industry. These culinary personalities bring credibility, expertise, and star power to food products. But do you know which chef-brand partnership broke sales records and changed the landscape of celebrity endorsements in the food industry? Test your knowledge of this influential marketing phenomenon that has shaped consumer purchasing decisions in grocery aisles worldwide.

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Gordon Ramsay's partnership with Royal Doulton cookware (78% sales increase)
Jamie Oliver's collaboration with Tefal pans (92% sales increase)
Rachael Ray's endorsement of Nutrish pet food (400% sales increase)
Bobby Flay's line with Kohl's kitchenware (115% sales increase)