Entered for safe-keeping, by J. Kenji Lopez-Alt of Serious Eats. This has flavor to the max: Chorizo, Serrano peppers, chipotle peppers in adobo sauce, cumin, avocado, cilantro, lime... Adapted somewhat because I like to check off as I go. More at: http://www.seriouseats.com/recipes/2014/01/the-food-lab-black-bean-chicken-soup-recipe.html?ref=daily-title To use canned beans, 1) drain and rinse 2 28-oz. cans of black beans; 2) skip step 2; 3) skip Step 15, use Step 16 to reduce broth to 1 quart instead of 1 1/2 quarts; and 4) add beans in step 17, and reduce cooking time to 30 minutes (step 19).