Cinc: Chicken, Spinach, and Caramelized Onion Casserole

Ingredients

• 16 ounces bowtie pasta
• 1 tablespoon olive oil
• 2 pounds chicken breast
• 1 teaspoon garlic powder
• 1 tablespoon butter
• 4 yellow onions
• 16 ounces spinach
• salt + pepper
• 2 tablespoons butter
• ¼ cup flour
• 1¾ cups milk
• ½ cup parmesan
• 1 teaspoon white pepper
• 10 ounces cream of onion soup
• ½ cup bread crumbs