Preheat Oven to 350 degrees F Melt butter in large pan Saute onions, celery, salt, sage, thyme and poultry seasoning for 5 minutes on medium heat Turn off heat Add bread cubes folding everything carefully so the bread does not break apart add chicken broth and milk to onion and bread mixture In a small bowl, gently whisk the egg and add to stuffing mixture Continue to fold everything until the egg is incorporated Either Stuff inside Turkey, or place in casserole dish and bake for 40 mins.