Soak the beans overnight in plenty of water. Drain and rinse.
Heat avocado oil in a Dutch oven or large pot and brown the andouille sausage. Remove and set aside.
Add onion, celery, bell pepper, and garlic. Season with 2 teaspoons Mrs. Dash and 1 teaspoon Tony’s. Cook 5 minutes.
Stir in the Better Than Bouillon, sausage, and beans.
Add the turkey leg, 6 cups water, remaining seasonings, thyme, and bay leaves.
Bring to a boil, cover, and reduce to a simmer.
Cook for 1½ hours. Flip the turkey leg (if needed) and add the remaining cup of water. Continue cooking another 1½ hours.
Remove the turkey leg and bay leaves. Shred the turkey meat and return it to the pot.
Mash some of the beans with a potato masher.
Simmer 30 more minutes until thick and creamy.