Overview

• The burger is on sale across the UK from September 9 and is available on Deliveroo with delivery exclusivity until September 22 before reaching other delivery platforms.
• Pricing is £11 on its own or £13.50 as a meal, with the item offered for a limited period.
• Patties are supplied by Yorkshire-based Warrendale Wagyu using crosses with British dairy herds built out over the past year.
• Burger King declined to disclose wagyu grading or marbling scores, noting the meat is not assessed on Japanese scales.
• The launch is part of the Gourmet Kings range and is promoted by a ‘Not Made By Gordon’ campaign featuring Gordon Ramsay, who appeared at the Strand store event.