preheat oven to 350F
Sauté the onion and celery in a large frying pan in fat of choice and a few pinches of salt for 5-8 minutes, or until softened.
Add sauteed vegetable mixture, herbs/seasoning, bread cubes, ¾ Cup of the broth, and any additional ingredients including nuts, dried fruit, etc. to a large bowl. Salt and pepper to taste and mix together.
Beat egg and 1/4 cup of the broth together and pour over stuffing mixture. Mix until everything looks evenly wet.
Let sit for 10 min, folding gently every few minutes.
Pour into a greased baking dish approx. 7 cups or an 11-inch round dish.
Cover with foil and cook in preheated oven for 25 minutes.
Check around 15 minutes and remove the foil to brown and crisp the top. Remove stuffing when it looks fully set through the middle.