Casserole Nasi Ayam Liar

Bahan-bahan (8 porsi)

• 1 onion
• 5 carrots
• 5 stalks celery
• 1 cup wild rice
• 3 cups chicken broth
• 1 lb . chicken breasts, cut into small pieces
• 10 tablespoons butter (divided)
• 1 teaspoon salt
• 1/2 teaspoon poultry seasoning
• 4 tablespoons flour
• 2 cups milk
• 3 -4 cups cubed bread (dry, sturdy, or day old bread works best)