1. 10-20 minutes.

2. If you want to save time when cooking soybeans, you can choose to cook soybeans in a pressure cooker, which only takes 10 minutes. If you use an ordinary iron pot to cook soybeans, it basically takes 20 to half. About hours. In fact, before cooking soybeans, you can soak the soybeans in water for 1 hour in advance, which can also save cooking time.