INSTRUCTIONS
1. Heat oven to 350 °F.
2. Tear challahs into small pieces and put in a very large bowl. Set aside.
3. In a large skillet, sautee onion in olive oil until transparent, add garlic and cook for 5 minutes more.
4. Add mushrooms and continue to cook together until mushrooms are tender.
5. Add chopped apples, chestnuts, dried fruit, nuts, herbs, salt and pepper and continue to cook together for about 10 minutes. Remove from stove.
6. Add above mixture to challah bread pieces and stir. Add egg, egg substitute, and broth. Combine together.
7. Spray a large roasting pan with cooking spray.
8. Place mixture evenly into pan.
9. Bake covered with foil wrap for 20 minutes.
10. Remove foil and bake until top is golden brown (around 30-45 minutes.)