Mix Italian herbs, garlic, celery seed, parsley, and butter together.
Cut lid off bread and remove most of the inside from the loaf, leaving the sides. Butter inside with the herb mixture.
Season chicken with seasoning salt and dip into floured seasoned with salt and pepper. Saute in skillet about 7 min. on each side.
Place chicken in bread. Put lid on and wrap in foil. Bake for 30-40 min.
Overwrap foil with newspaper or other insulating material to get it to your picnic spot. Serve each person a piece of chicken and a piece of the “basket.”