Green Chile Chicken Pot Pie Casserole

Bahan-bahan (8 porsi)

• ¼ cup butter
• 1 small yellow onion (chopped into ¼-inch pieces, about 1 cup)
• 3 celery ribs (sliced thin, about 1 cup)
• 4 carrots (peeled and diced into ¼-inch pieces, about 1 cup)
• 1 large green bell pepper (diced into ¼-inch pieces, about 1½ cups)
• 2 jalapenos (seeded and minced, about ¼ cup)
• ⅓ cup all-purpose flour
• 1½ cups chicken broth
• 1¾ cup milk
• ½ teaspoon kosher salt
• ¼ teaspoon black pepper
• ¼ teaspoon celery seed
• 4 cups cooked chicken, diced into ½-inch pieces
• ½ -1 cup chopped green chile
• 2½ cups all-purpose flour
• 1 tablespoon baking powder
• ½ teaspoon kosher salt
• 1 tablespoon sugar
• ½ cup butter (grated)
• 1 cup milk (plus more ONLY as needed)
• 1 egg
• 1 cups shredded cheddar cheese
• 2 tablespoons chopped fresh Italian parsley (optional)