Rinse Beans and place in bowl with water to cover by 2 inches. Let stand 8 hours or overnight. Drain.
Heat Oil in dutch oven over medium-high heat.
Add Andouille: cook, stirring occasionally, until browned, about 3 minutes.
Using a slotted spoon, transfer andouille to a bowl, reserving drippings in pan.
Add Bell Pepper, Onion, Celery, Chopped Green Onions, Garlic, Thyme, Sage, and Red Pepper to pan: Cook, stirring occasionally, until softened and browned, about 7 minutes.
Add beans, 6 cups water, Stock, Salt, and Bay Leaf: Bring to a boil.
Reduce heat to medium and simmer uncovered, until beans are mostly tender, about 1 1/2 hours.
Stir in Andouille and Rice; cover and cook 1 hour or until rice is tender.
Remove from heat: Discard Bay Leaf. Stir in Chopped Parsley.
Top with Parsley Leaves and serve with Hot Sauce, if desired.