According to the "History of Edamame, Vegetable Soybeans, and Vegetable-Type Soybeans," vegetable soybeans are "harvested at the fresh green stage," before they mature and dry. In Japan ...

Season, to taste, with the dried chilli flakes. Transfer the tofu to a serving plate and put to one side. For the edamame beans, heat the groundnut oil in a clean frying pan and stir-fry the ...