"If desired you can sprinkle the top of the casserole with additional cheese for the last 10 minutes of cook time.You can also divide this recipe into 2 8x8 casserole dishes...."
INGREDIENTS
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8 Tbsp cold unsalted butter, divided
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4 Tbsp all-purpose flour, divided
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¼ tsp poultry seasoning
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¼ tsp onion powder
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¼ tsp garlic powder
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½ tsp kosher salt
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½ tsp fresh ground black pepper
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½ cup milk
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1 cup low-sodium chicken broth, divided
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½ cup chopped onions
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1 (26 oz) package frozen shredded hash browns
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1 (8 oz) package shredded colby cheese