Cheesy Hashbrown Casserole Recipe

Ingredients

• 2 tbsp unsalted butter
• 3 tbsp all-purpose flour
• 1 1/2 cup(s) low-sodium chicken broth, room temperature
• 1/2 cup(s) whole milk, room temperature
• 1 chicken bouillon cube
• 1/4 tsp garlic powder
• 1/4 tsp onion powder
• 1/4 tsp kosher salt, see notes 2
• 1/4 tsp black pepper
• 2 lb frozen hashbrowns, thawed, cubed or shredded
• 1 small onion, chopped
• 1 batch of cream of chicken soup, see above
• 1 cup(s) sour cream
• 3 tbsp unsalted butter, melted
• 1 cup(s) shredded cheddar cheese, divided, see notes 3
• 1 cup(s) shredded Monterey Jack cheese, divided, see notes 3
• salt
• pepper
• 1 batch of crunchy topping, see below
• finely chopped parsley, as garnish
• 1 1/2 cup(s) crushed cornflakes or panko breadcrumbs