1. Rinse and clean beans good.
2. Put into a large soup pot.
3. Add water.
4. Slice onion and sausage into beans.
5. Add cajun seasoning and garlic powder.
6. Bring to a boil and let boil 15 minutes.
7. Reduce heat to low and simmer for 2-3 hours, until beans are tender.
8. Salt to taste.
9. Serve over hot cooked rice.