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Pimento Cheese Hash Brown Casserole

Pimento cheese hash brown casserole is a Southern-style side dish baked until golden and bubbling, with a creamy cheesy center flecked with red pimentos. Frozen hash browns are coated in a sour-cream-and-soup mixture for an easy, sliceable casserole.
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Prep Time 10 minutes
Cook Time 55 minutes
resting 10 minutes
Total Time 1 hour 15 minutes
Servings: 10 servings
Course: Side Dish
Cuisine: Southern American
Calories: 520
Ingredients Equipment Method Notes

Ingredients
  

Frozen shredded hash browns
  • 30 oz frozen shredded hash browns thawed
Sour cream
  • 2 cup sour cream
Cream of chicken soup
  • 10.5 oz cream of chicken soup 1 can
Butter
  • 0.5 cup butter melted
Mayonnaise
  • 0.25 cup mayonnaise
Pimentos
  • 4 oz diced pimentos drained
Sharp cheddar cheese
  • 2.5 cup shredded sharp cheddar divided
Onion
  • 0.5 small small onion grated
Salt
  • 1 tsp salt
Black pepper
  • 0.5 tsp black pepper
Cayenne pepper
  • 0.25 tsp cayenne pepper

Equipment

  • 1 sheet pan

Method
 

Prep and assemble
  1. Preheat the oven to 350F, then grease a 9x13-inch baking dish.
  2. Mix sour cream, cream of chicken soup, melted butter, mayonnaise, diced pimentos, 2 cups cheddar, grated onion, salt, black pepper, and cayenne until evenly combined.
  3. Fold in the thawed hash browns until every shred is coated, then spread the mixture into the prepared dish.
  4. Top with the remaining cheddar to form a golden crust as it bakes.
Bake and rest
  1. Bake at 350F for 50-55 minutes, until golden and bubbling at the edges.
  2. Rest for 10 minutes before serving so the casserole sets and slices cleanly.

Notes

For the best creamy texture, make sure the hash browns are fully thawed and any excess moisture is lightly drained before mixing. Refrigerate leftovers in a sealed container for up to 4 days; reheat in a 325F oven until warmed through. Freezing is not recommended because the cheese mixture can separate after thawing. Dietary swap: use reduced-fat cheddar and light sour cream to lower calories while keeping the casserole creamy.