If there is one sandwich that defines the elevated deli culture of N1 this year, it is the Tuna & Pesto Bagel from The De Beauvoir Wholefoods. While London has no shortage of traditional bagel shops, this market-fresh creation secures our top spot for 2026 by proving that a “simple” tuna sandwich can be a gourmet masterclass when the ingredients are this high-caliber.
