"Cheesy Chicken Casserole is a savory, filling, and flavorful dish with seasoned chicken, sauteed onions, and lots of cheese...."
INGREDIENTS
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6 large boneless, skinless chicken breasts
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1 tablespoon paprika
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½ teaspoon kosher salt
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½ teaspoon black pepper
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½ teaspoon garlic powder
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1 cup all-purpose flour
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6 tablespoons butter, (divided)
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1 white onion, (finely diced)
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1 can (10.75 ounces) cream of chicken soup
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1 cup heavy cream
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2 cups sharp cheddar cheese, (shredded and divided)