煮込む

1. Origins, structure, and basic meaning

• Structure: The spelling is 煮込む, read にこむ, and it is a godan transitive compound of 煮る, meaning boil or cook, and 込む, indicating that the process continues thoroughly.
• Basic usage: The basic sense of 煮込む is to simmer or stew ingredients long enough for them to soften and absorb flavor.

2. Common pitfalls and similar expressions

• Thorough cooking rather than brief heating
  • The forms are 煮込む and 煮込んだ. The first is the dictionary form used as a cooking direction; the second is a completed past form covering both the long process and its result.
• Vegetables and a meat-and-bean dish
  • 野菜が柔らかくなるまで弱火で煮込む。 — Simmer the vegetables over low heat until tender.
  • 母は肉と豆を大きな鍋でじっくり煮込んだ。 — My mother slowly stewed meat and beans in a large pot.