Japan — Heiankyō (Kyoto), 794–1185 CE, imperial court
The Heian period (794–1185) represents the first flowering of distinctly Japanese court cuisine, emerging as the capital moved from Nara to Kyoto (then Heiankyō). The Chinese-influenced Tang dynasty diet gave way to a more specifically Japanese aesthetic: a profound preference for seasonal fish from the sea and rivers, wild mountain vegetables (sansai), fermented foods including early forms of narezushi (fermented fish and rice), and the first systematic codification of colour, shape, and seasonal resonance on the banquet table. Court documents (shoku records) from the period describe elaborate formal banquets with rice, salted fish, dried abalone, dried kelp, and seasonal fruit arranged on lacquerware. The concept of the five tastes and five colours coordinated in presentation has Heian roots.
Historical — documented flavours emphasised clean sweetness of fresh fish, the umami of dried and fermented seafood, and bitter-aromatic wild mountain vegetables
Heian cuisine was inseparable from poetic and spiritual life — food offerings accompanied poetry composition and Buddhist ceremonies. The aristocratic diet was predominantly vegetarian for religious reasons, with fish permitted but meat largely prohibited by Buddhist edict. Simplicity of preparation with emphasis on ingredient quality anticipated later kaiseki values. The lacquerware vessel tradition — black lacquer with gold maki-e decoration — established the visual language of formal Japanese dining for a millennium.
The narezushi of the Heian period was fully fermented — rice was discarded after fermentation and only the soured fish consumed. This evolved over centuries into the quicker, rice-retaining forms we recognise today. Study the Tale of Genji for descriptions of seasonal foods and their cultural meaning. The kacho-fugetsu (flowers, birds, wind, moon) aesthetic of Heian poetry directly influenced how seasonal ingredients were chosen and presented.
Conflating Heian court cuisine with Buddhist shojin ryori — they overlap but the court permitted fish and shellfish extensively. Underestimating the sophistication: Heian banquets involved elaborate etiquette, specific vessel placement, and coordination of food colour with the season's assigned palette. Ignoring the role of sake and rice offerings in the ritual meal structure.
Ishige, Naomichi — The History and Culture of Japanese Food; Tsuji, Shizuo — Japanese Cooking: A Simple Art (historical chapters)