https://cooking.nytimes.com/recipes/1019926-cheese-grits-with-saucy-black-beans-avocado-and-radish

• we have done it with home cooked beans (from dried beans)
• added pickled vegetables as topping (onion, carrot, radish)
• cooked grits from cornmeal because that is what we had – cooks in closer to 10 min