Vienna's first dedicated chocolate museum opened on Schönbrunnerstraße in 2019, three blocks from the imperial summer palace where Maria Theresa's court confectioners once prepared marzipan and candied violets for Habsburg banquets. The building itself served as a sugar refinery in the 1890s, its brick vaults still bearing the iron brackets that held copper kettles over coal fires. Today those same halls house tempering tables, enrobing machines, and a permanent exhibition tracing cacao's journey from Mesoamerican ritual beverage to the paper-wrapped Mozartkugel that Paul Fürst invented in Salzburg in 1890. Chocolate making Vienna workshops draw on a Central European tradition distinct from Swiss or Belgian methods. Viennese confectioners favor higher ratios of hazelnuts and nougat, a legacy of Alpine trade routes that made Piedmont filberts cheaper than Ecuadorian cacao until the mid-20th century. The museum's collection includes hand-painted porcelain molds from the Biedermeier period, when chocolate was sold in apothecaries as a medicinal tonic, and a 1920s conching machine from the Manner factory that kneaded wafer-cream paste for 72 hours to achieve the brand's signature smoothness. The workshops themselves occupy the former refinery floor, where gas lamps have been replaced by induction burners and marble slabs chilled to exactly 17°C for tempering. Participants work with Valrhona couverture, the same French chocolate used by Demel and Oberlaa, Vienna's two remaining imperial-warrant pastry houses. Each session covers the physics of cocoa butter crystallization, the reason a properly tempered shell snaps cleanly while poorly tempered chocolate blooms with gray streaks within days. The museum's founder, a third-generation chocolatier whose family once supplied the Hotel Sacher, leads most afternoon sessions himself, demonstrating the wrist motion required to spread ganache evenly across a pistachio-studded base. Beyond the workshop tables, the museum's three exhibition rooms hold artifacts that contextualize Vienna's role in the global sugar trade. One vitrine displays a 1788 import ledger from Trieste, the Habsburg Empire's only seaport, showing cacao shipments from Spanish-controlled Caracas. Another room reconstructs a turn-of-the-century Konditoreiwerkstatt, complete with copper pots, wooden paddles, and a tile oven used for baking Sachertorte. The museum's location near Naschmarkt, Vienna's oldest produce market, places it within a district that has traded spices, dried fruits, and imported luxuries since the 16th century.