Valletta's food culture predates the 1566 grid drawn by Francesco Laparelli. When the Knights of St. John fortified the peninsula, they brought grain stores, wine vaults, and bakery ovens into the bastions themselves. The pastizzeriji that line Republic Street and Merchants Street today occupy ground floors built to house provisions during siege. Pastizzi — ricotta or pea-filled phyllo parcels — emerged in the 19th century as dockworkers' fuel, sold from dawn counters for a few coins. The best Valletta food tour routes thread these working bakeries with the Grand Harbour views that fed seven naval empires. Maltese street food mirrors the island's layered history. Ftira, the flatbread ancestor of pizza, carries toppings introduced by Sicilian fishermen, North African traders, and British naval cooks. Hobz biz-zejt — sourdough rubbed with tomato paste, capers, and olive oil — was originally a field lunch, now a cafe staple. Qassatat are half-moon pastries filled with ricotta or anchovy, crimped by hand in bakeries unchanged since the 1920s. Imqaret, date-filled fritters dusted with sugar, are fried in copper pans at open-air stalls near the city gate. Each dish is a chronicle written in flour and salt. The culinary tours that operate along Valletta's limestone corridors today connect these vendors with the architectural landmarks they inhabit. St. John's Co-Cathedral, the Grandmaster's Palace, and the Upper Barrakka Gardens form the ceremonial spine, but the side streets — Strait Street's jazz-age bars, Old Bakery Street's wood-fired ovens, Old Mint Street's honey ring vendors — hold the edible memory. Guides lead groups of eight to twelve through tasting stops at family-run shops where recipes have passed through four generations. The rhythm is deliberate: walk ten minutes, taste three items, learn the provenance, repeat. Valletta food walking tours operate year-round, with morning and afternoon departures timed to the baking schedules of partner vendors. Pastizzi are pulled from the oven between 10:00 and noon; imqaret are fried fresh in the late afternoon. Tours last two and a half to three hours, covering roughly two kilometers on foot. Participants taste six to eight dishes, sufficient to replace lunch. The format rewards curiosity over appetite — guides explain the Arabic etymology of "qassatat," the role of carob syrup in traditional sweets, the engineering of a wood-fired rotary oven. This is not a restaurant crawl. It is a walking seminar on how an island's cuisine crystallizes conquest, scarcity, and invention into something you can hold in one hand.