Georgia.

Start with the walnut. Georgian cooks buy them by the kilo, grind them to a paste in a hand mill or food processor, and use that paste as the structural element of a dish rather than a topping. In satsivi the paste is loosened with poultry broth into a cold, clinging sauce. In pkhali it is bound with garlic and vinegar and pressed into small mounds. In kharcho a spoonful thickens the soup and gives it body no roux could. When the paste sits, an amber walnut oil weeps out at the edges — Georgians consider that oil a sign of good nuts and often spoon it back over the finished plate.

The spice cabinet is small but non-negotiable. Blue fenugreek (utskho suneli) is milder and more floral than the Indian fenugreek most kitchens know, and substituting the wrong one makes a dish taste bitter and medicinal. Dried marigold petals add colour and a faint resinous note. Ground coriander seed appears in nearly every savoury dish, usually alongside its own fresh leaf. Khmeli suneli is the pre-mixed blend of all of these plus summer savory and dried herbs; it is genuinely traditional, not a shortcut, and a good jar solves most of the sourcing problem at once.

Sourness is a technique, not a squeeze of lemon. Tkemali, a sauce of sour green or red plums with garlic and pennyroyal, sits on Georgian tables the way ketchup does elsewhere. Tklapi is fruit purée dried into leathery sheets and torn into soups to sour them. Pomegranate seeds and juice finish cold dishes. Wine vinegar sharpens walnut pastes. None of these is interchangeable with citrus — they all bring fruit sugar and tannin along with the acid.

Bread and cheese are their own economy. Shoti, the canoe-shaped loaf slapped onto the wall of a clay tone oven, is torn rather than sliced. Sulguni is the elastic brined cheese that stretches when melted; imeruli is its fresher, saltier, crumblier cousin. Between them they fill every khachapuri in the country, and the regional shapes — round Imeretian, boat-shaped Adjarian, butter-layered Megrelian — are a reliable way to tell where you are standing.

Regional splits are real. The western provinces, closer to the Black Sea, cook hotter and drier: chilli-forward ajika paste, cornmeal mchadi and elastic ghomi porridge instead of bread, more sulguni, more walnut. The east, around Kakheti and Tbilisi, leans on wheat bread, grilled meat, and the country's densest concentration of vineyards. And clay matters everywhere: ketsi pans for frying chicken flat, small pots for lobio, and qvevri — buried clay vessels used for wine since long before anyone wrote the practice down.