6
Nov
2025
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Leo Chicago, Tillamook Settle Grilled Cheese Debate with Limited-Edition ‘Butternaise’

The internet has long been divided: should you use butter or mayonnaise to achieve the perfect grilled cheese crust? Now Tillamook partners with Leo Chicago to end the debate once and for all with an innovative product launch.

Launched on National Sandwich Day this past Monday and available for purchase as of today, November 6th, the Pacific Northwest dairy brand is introducing ‘Butternaise’ – a limited-edition, first-of-its-kind spread that combines the best of both condiments to create the ultimate grilled cheese experience.

The spread seems to be a hit in grocery stores so far, take a look…

The product was developed by Tillamook’s in-house chef as his secret weapon for achieving the perfect golden crust.

Click here to see this spread put to the ultimate taste test.

Butternaise is an artful blend of Tillamook’s award-winning Extra Creamy Salted Butter, newly released KEWPIE Organic Mayonnaise and zesty spices. A limited quantity of Butternaise will be produced and available for purchase here. 

The launch follows Grilled Cheese Fest, a celebration Tillamook hosted in Los Angeles that brought together Tillamook experts and a line up of incredible chefs and creators to share their passion for everyone’s favourite sandwich: the grilled cheese.

​Dean Paradise, executive creative director at Leo Chicago, explains, “The butter versus mayo debate has been raging online for years. Rather than pick a side, we found a way to give people the best of both worlds while showcasing Tillamook’s innovation in the dairy space.”

​Jinny Lam, VP marketing at Tillamook, adds, “Our chef’s Butternaise recipe has been our secret weapon for years – it creates that perfect golden crust that makes all the difference. We’re excited to share this innovation with cheese lovers everywhere and give them the exact tool they need to achieve grilled cheese greatness.”

Credits:

Tillamook (Client)

    Jinny Lam, VP of Marketing

    Austin Blythe, Sr. Marketing Manager, Brand Engagement

    Mel Meier, Sr. Marketing Manager, Paid Media and Digital

    Taylor Johnson, Marketing Manager, Campaign & Content

    Bre LaLiberte, Marketing Manager, Communications and Strategy

    Alex Disney, Marketing Manager, Social Media

    Emma Anderson, Marketing Lead, Influencer & PR

    Josh Archibald, Executive Chef of Culinary Development

    Jill Allen, Director of Product Excellence

    Steve Marko, Sr. Director, Research & Development

    Justin Laabs, Sr. Product Development Manager

    Eric Secher, Manager, Direct Commerce Marketing

Creative Agency – Leo Chicago

    Dean Paradise, Executive Creative Director

    Sarah Block, EVP Creative Director

    Jeff Candido, SVP Group Creative Director

    Diego Benitez, Senior Art Director

    Sam Cescau – Chief Strategy Officer

    Katelyn Saks – VP, Strategy Director

    Sean Logan – Associate Director, Strategy

    Liam Doherty – EVP, Account Director

    Sarah Kaminsky – SVP, Account Director

    Rachel Lui – Account Director

    Alivia Klinghofer – Assistant Account Executive

    Will St. Clair – SVP, Executive Producer

    Tyler Jones – Producer

PR Agency – Allison Worldwide

    Tasso Annos, Community Manager

    Sergio Benitez, Assistant Account Executive

    Monica Finch, Executive Vice President

    Tyler Grahame, Senior Account Executive

    Brooke Holloway, Account Manager

    Nicole Kelly, Media Coordinator

    Taylor Key, Account Manager

    Andrea Molina, Senior Account Executive

    Hannah Montpas, Executive Vice President, Food & Beverage

    Kara New, Account Manager

    Katie Rodewald, Account Executive 

    Lisa Rosenberg, Global President, Consumer Brands

    Kelsee Sailsbery, Account Manager

    Sam Serafin, Account Executive

    Allix Snyder, Senior Vice President

    Brittany Spell, Senior Account Executive

    Jensen Strandberg, Account Director

    Claudia Vargas, Senior Vice President, Client Service Operations, MIT

    Annie Wagner, Senior Account Executive

    Tara Woodall, Vice President

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