Chicken Divan Casserole 🕒 Prep Time: 20 min | Cook Time: 30 min | Serves: 6–8 Ingredients 2 lbs boneless, skinless chicken breasts, cut into 1-inch cubes 2 tbsp olive oil ½ tsp salt ½ tsp black pepper, divided 16 oz frozen broccoli florets, thawed and drained 2 cans (10.5 oz each) cream of chicken soup 1 cup mayonnaise 1 cup sour cream 1 cup shredded cheddar cheese ½ cup milk 1 tbsp lemon juice 1 tsp garlic powder ½ tsp onion powder 1 cup plain breadcrumbs 2 tbsp unsalted butter, melted Instruc