So, how do they do it? Well, it's quite a fascinating process, really. The beans are first sorted, cleaned, and then blanched in hot water to loosen their skins and make them more receptive to the canning magic that's about to happen.
Next, they're packed into cans, filled with a brine solution (which is just a fancy way of saying "salt water"), and then sealed. The cans are then heated to a scorching temperature, usually around 212°F (100°C), which is hot enough to kill off any bacteria that might be lurking around. This process is called retorting, and it's what ensures the beans are safe to eat.
But here's the thing: just because canned black beans are pre-cooked, it doesn't mean you can't cook them again. In fact, reheating them can actually make them taste even better. You can add some onion, garlic, and spices to give them a boost of flavor, or mix them with some rice, vegetables, and meat to create a hearty meal.
How To Cook Canned Black Beans - Sandra Valvassori