this recipe is good https://www.seriouseats.com/recipes/2014/09/the-lazy-cooks-black-beans-easy-recipe.html it took about 2.25 hours start to finish.
- 0.4 lb dry black beans
This should yield about 15 oz cooked beans. See serious eats
- Cover beans in several inches of water, soak over night
- drain beans, add to pot with enough water to cover by a couple inches, bring to a boil, reduce to a simmer, let simmer until tender about 1 hour 45 minutes.