Cheesy Chicken Broccoli Casserole A Family Comfort Classic

Ingredients

• 2 cups cooked chicken, shredded (about 1 lb / 450g)
• 2 cups fresh broccoli florets (about 8 oz / 225g)
• 1 medium yellow onion, chopped (about 1 cup / 150g)
• 2 tablespoons olive oil (30ml)
• 1/2 teaspoon salt (2.5ml)
• 1/4 teaspoon black pepper (1.25ml)
• 1/4 teaspoon garlic powder (1.25ml)
• 4 tablespoons unsalted butter (57g)
• 4 tablespoons all-purpose flour (30g)
• 2 cups whole milk (475ml), warmed slightly
• 1/4 teaspoon nutmeg (1.25ml)
• 1 cup shredded cheddar cheese (about 4 oz / 115g)
• 1/2 cup grated Parmesan cheese (about 2 oz / 57g)
• 1 cup crushed buttery crackers (such as Ritz) (about 25 crackers)
• 2 tablespoons melted unsalted butter (28g)