While there's no way to tell how old dried beans are ... This is especially important for refried beans since they rely on the cooking liquid and additional aromatics for seasoning and texture.
which turned 100 years old in 2023. False. "It’s absolutely not necessary to soak dried beans overnight (or any appreciable length of time) before cooking. Soaking will not speed up the cooking ...
Buy pulses, if possible, from the last season’s harvest as old beans ... and dry place. Remember, however, the older they are, the harder they tend to become, so you may need to cook them ...