Chicken Cordon Bleu Casserole Chicken My Familys Dream Bake

Ingredients

• 2 lbs (900g) boneless, skinless chicken breasts, cut into 1-inch cubes
• 1 tbsp (15ml) olive oil
• 1 tsp (5g) garlic powder
• 1/2 tsp (3g) onion powder
• 1/4 tsp (1.5g) black pepper
• 1/4 tsp (1.5g) salt
• 8 oz (225g) cooked ham, diced
• 4 tbsp (57g) unsalted butter
• 1/4 cup (30g) all-purpose flour
• 3 cups (710ml) whole milk
• 1/2 tsp (3g) salt
• 1/4 tsp (1.5g) ground nutmeg
• 2 tbsp (30ml) Dijon mustard
• 8 oz (225g) Swiss cheese, shredded
• 1 cup (100g) panko breadcrumbs
• 4 tbsp (57g) unsalted butter, melted
• 1/4 cup (25g) grated Parmesan cheese