Add the salt pork, onion and cayenne; bring to a boil. Reduce to simmer, and cook uncovered for 1-1/2 to 2 hours, or until thickened and creamy. Do not allow to boil. Stir in the bacon fat or butter, taste and season as needed with salt, pepper and Cajun seasoning.
Pay extra attention to your iron intake if you follow a vegan diet, since you rely solely on non-heme iron. Be aware that your body does not absorb non-heme iron as well as it does heme. Focus on plant-based foods with the highest iron content so that you can increase your ferritin levels. Broccoli, asparagus and dark leafy greens such as spinach, collards and kale are the richest iron sources among vegetables, while lima beans and kidney beans are iron-rich legumes.
Foods high in vitamin A. Vitamin A is a fat-soluble nutrient. It helps your body form healthy teeth, bones, soft tissues, and skin. It can also help you ward off bacterial and viral infections, prevent night blindness, and keep your hair and nails healthy. Foods that are particularly high in vitamin A include: carrots.