Toast the bread pieces and cool before beginning.
On medium high heat in a very large skillet melt the stick of butter.
Add the onions, celery, celery leaves, salt, pepper and poultry seasoning to the melted butter. Cook stirring constantly until the onions are slightly golden and translucent.
Remove the pan from the heat and stir in half of the bread pieces, tossing well to coat with the vegetables and seasonings.
Add the remaining bread pieces and parsley to the pan. Mix until all the pieces of bread are completely covered with vegetables and seasonings.
Add chicken broth as needed until two cups of the broth have been incorporated.
Butter a casserole dish with 2 tablespoons butter.
Spread the stuffing into the casserole dish.
Pour the remaining ¼ cup of chicken brother over the top and cover with aluminum foil.
Bake in a preheated 350 F. degree oven for 30 - 45 minutes.
For the last 15 minutes remove the aluminum foil and allow the top to lightly brown.
Makes about 6 one cup servings of bread stuffing.