Hertog Jan

The story

Hertog Jan at Botanic Antwerp: Seasonal Japanese-Inspired Dining in Belgium

The Chef and the Kitchen

Hertog Jan at Botanic Antwerp serves seasonal Japanese-inspired cuisine within a tightly controlled dining room. Chef Gert De Mangeleer guides the kitchen alongside host Joachim Boudens, who manages guest flow and pacing. The menu follows the seasonal rhythm rather than fixed recipes. This approach to modern Japanese techniques earned the venue an 18 rating from Gault&Millau in 2026. Diners surrender control to the chef, who adjusts each course to daily ingredient availability. The kitchen prioritizes high quality produce, allowing natural flavors to dictate the final plate.

The Omakase Menu

This seasonal Japanese fare unfolds through three distinct tasting formats. Guests begin with three amuses before moving into four or five main courses depending on their selection. The premium tier introduces caviar and includes a dedicated kitchen moment where preparations are explained directly at the counter. Wine pairings accompany every course, with deluxe selections offering deeper cellar depth and non-alcoholic alternatives maintaining equal structural balance throughout the meal. Dietary restrictions are noted carefully, though fully vegan plates fall outside the current scope.

The Setting

Belgian architect Benoit Viaene shaped the interior to match the quiet pace of the food. Twenty-six seats line the perimeter, keeping sightlines focused on the pass and the garden beyond. The space sits inside the Botanic Sanctuary hotel, which buffers street noise and maintains a steady temperature year round. Guests arrive through a private entrance near Leopoldstraat and park via valet service, ensuring a seamless transition from the public transit stops located just outside. The layout encourages unhurried conversation between courses.