By the time the Three Kingdoms formed, people on the Korean Peninsula already had a long foundation in grain farming. Rice and millets supported growing populations, and agriculture shaped what everyday meals could include (such as boiled grains, porridge, and grain-based alcohols). This farming base set the stage for Three Kingdoms-era food preservation and cooking traditions.
A Goguryeo tomb dated by inscription to 357 CE includes wall paintings that show parts of elite household life, including food-related spaces like a kitchen and a meat storage room. These images are important because they provide visual evidence for how food was stored and managed, not just how it was described in later written histories. They also hint at the social importance of feasting, servants, and household organization.
In 372 CE, Goguryeo officially recognized Buddhism, connecting the kingdom more tightly to cultural currents flowing through China. This mattered for food practices because Buddhist institutions (temples and monasteries) could influence dietary norms through fasting days and encouragement of non-meat meals. It also increased long-distance exchange, which affected elite dining and drinking customs.
In 384 CE, Baekje’s court accepted Buddhism after the arrival of the monk Marananta. As in Goguryeo, this supported the growth of temples and new patterns of religious observance that could shape what people ate on certain occasions, especially among elites. It also strengthened Baekje’s diplomatic ties and cultural exchange, which affected luxury foods and banquet culture.
Later Korean historical writing reports that people in the Three Kingdoms era commonly used jars to pickle and ferment vegetables. This points to a practical response to seasonal shortages: preserving vegetables so they could be eaten after harvest season. Over time, these methods became a key part of Korean food identity, even though specific recipes changed across centuries.
Archaeobotanical (plant-remains) research shows wheat in parts of the Korean Peninsula by roughly the Three Kingdoms period (about 100–600 CE). This helps explain how diets could vary by region and status, mixing multiple grains rather than relying on a single staple. It also shows the peninsula’s participation in wider East Asian crop movement and adaptation.
Silla recognized Buddhism in the early 6th century (commonly dated to 527 CE), after which Buddhist institutions expanded more strongly. This could influence elite food culture through temple hospitality, ceremonial meals, and periodic restrictions on meat. It also helped shape a shared cultural framework that later mattered when Silla led unification.
Across the peninsula, porous earthenware jars (later commonly called onggi) supported long-term storage and fermentation by allowing limited gas exchange while keeping contents protected. This mattered for everyday survival and taste because fermentation made foods last longer and develop strong flavors. These storage technologies were part of the material foundation for preserved vegetables and fermented sauces.
From 645 to 668 CE, warfare between Goguryeo and Tang (with Silla allied to Tang) reshaped politics across Northeast Asia. The fall of Goguryeo in 668 is widely used as the endpoint for the Three Kingdoms period. Political change mattered for food because it shifted tribute flows, trade routes, and elite dining cultures under new power arrangements.
After 668 CE, Silla’s dominance supported a more unified aristocratic culture across much of the peninsula. This created conditions for shared courtly tastes, wider spread of certain preservation methods, and stronger links to Tang China that affected luxury ingredients and banquet styles. The transition also helped stabilize some food supply networks compared with the long war period.
A key later record says that fermented soy products (including ganjang/soy sauce and doenjang/soybean paste), along with meju (fermented soybean blocks) and jeotgal (salted fermented seafood), were prepared for King Sinmun of Silla’s wedding in 683 CE. While the record was compiled centuries later, it suggests that by the late 600s these fermented seasonings were established in high-status cuisine. It also shows how salt, fermentation, and seafood combined to build flavor in Korean cooking.
In 1145 CE (with publication details often given in the mid-1140s), the Samguk Sagi was completed under Kim Busik as a major chronicle of the earlier Three Kingdoms. Although written long after the period, it became a key source for later references to foods, storage jars, ceremonies, and court provisioning. For historians of cuisine, it marks a “closing outcome”: Three Kingdoms food practices became preserved in a written tradition that later generations could cite and reinterpret.
Three Kingdoms Period Food Practices on the Korean Peninsula (c. 57 BCE–668 CE)