waxjunky's recipe is spot on.
i, like a lot of folks in NOLA, use these:
but buying the dry beans (preferably Camellia, for sure) and soaking overnight is preferable if you don't wanna cut any corners.
here's my method (i don't follow any recipes):
in a saucepan i saute some sausage (either andouille, smoked w/green onion, or turkey if i wanna be healthier) in veg. oil & butter. sometimes i'll throw some salt pork or cubed ham in as well. when that meat has been charred a little i take them out, but leave all of the resulting oil/juices and cook the trinity (equal parts onion, bell pepper, celery) and some garlic in that oil/fat. trinity is chopped finely and cooked until as much liquid as i'm patient for has been released.
i then add a can of the Bluerunner beans above, plus i just about fill up the empty can w/water (or stock if i've got some) and add that as well. alternatively you could add the dry beans + enough stock/water to cover the beans + about 1-2 cups extra. depends on how creamy/soupy you want them. i also add the meat i cooked first back into the pot now.
stir everything together. if i'm not using Bluerunner, i'll use a spatula to crush some of the beans against the side/bottom of the pot to make things creamier. with Bluerunner that's not really even necessary. i'll crush 5 times, that's it. then add salt, black pepper, cayenne pepper (absolute must), and oregano. lately i've been throwing in paprika, a good amount of allspice, and a little bit of cumin and turmeric to the mix and i've been liking how it comes out.
to add some more nutritional value to the meal, i also like to add spinach, kale, or mustard greens to the pot unless i'm cooking for an out-of-towner and making a really "authentic" version.
i usually then let everything sit in the pot, stirred well, at a low simmer, covered, for 30 mins to an hour. i eat mixed well with white rice or this new Cajun whole grain basmati that i've been getting from the farmer's market.
ps, Chachere's and other "Cajun/Creole" seasonings are mostly salt, black pepper, cayenne, garlic, and oregano, but could be any lagniappe added in.