Berlin's most influential Thai kitchen had no roof. From the early 1990s, Thai women married to German men spread blankets beneath the lime trees of Preußenpark in Wilmersdorf, set charcoal burners on the grass, and sold som tam, laab and sticky rice to neighbours. The lawn acquired a name, Thaiwiese, and then a reputation. By 2019 the district had regulated it into a licensed weekend market with permits and hygiene inspections. Thai Cooking Class Berlin tours trace their lineage to that lawn, not to any restaurant group. The city learned the cuisine outdoors, from cooks who were never professionals. The community behind it is small and specific. Thailand keeps its embassy in Berlin's Steglitz district, and Thai migration to Germany has been shaped since the 1970s less by restaurant labour than by marriage and family. Supply followed. Galangal, kaffir lime leaves, holy basil and green papaya reach the city through the Vietnamese wholesale halls of the Dong Xuan Center in Lichtenberg and the Asian grocers clustered along Kantstraße. A thailändischer Kochkurs in Berlin is therefore possible at all because those supply chains exist within a tram ride of most studios. The Preußenpark cooks shopped there first. The cuisine itself is a record of trade. Chilli is not indigenous to Siam; Portuguese traders carried it from the Americas in the sixteenth century, and Thai cooks absorbed it so completely that prik now defines the palate. The granite mortar, the krok, predates the blender and still outperforms it, bruising lemongrass and coriander root rather than slicing them. Curry pastes are built in that bowl in a fixed order, hardest aromatics first. Coconut milk is cracked over heat until the oil separates before the paste goes in. Balance is the governing rule: salt from fish sauce, sour from tamarind or lime, sweet from palm sugar, heat from fresh and dried chilli in shifting proportions. Dishes are not courses in sequence. Rice sits at the centre and everything else is a condition placed upon it. That logic is what Berlin's cooking workshops now teach in converted Kreuzberg courtyards, Prenzlauer Berg shopfronts and Mitte studios. Dialects of the cuisine differ sharply: fermented fish and raw heat in Isan, coconut richness and turmeric in the south, Chinese-influenced noodles in Bangkok. The format matters locally. Berlin has no single culinary monument, so its food culture is read through neighbourhoods — Turkish Neukölln, Vietnamese Lichtenberg, Thai Wilmersdorf — and a kitchen table is the most honest place to read it. A Thai Cooking Class Berlin tour, in this reading, is less a novelty than a continuation of what began under those lime trees.