Keto Cheesy Hash Brown Casserole

Prep: 10 minCook: 50 min8 servingsmediumAmerican
Cheesy Hash Brown Casserole with Cream of Chicken Soup

A comforting baked casserole featuring thawed frozen hash browns mixed with cream of chicken soup, sour cream, and cheddar cheese. The dish bakes until bubbly and golden brown, creating a hearty side that pairs perfectly with breakfast, brunch, or dinner. This version uses melted butter throughout for extra richness and tops with additional cheese for a beautifully browned finish.

Ingredients

8 servings
  • 5 tablespoons unsalted butter, divided
  • 4 cups frozen shredded hash browns, thawed
  • 1 10 1/2-ounce can condensed cream of chicken soup
    cream of mushroom soup1:1vegetarian

    same creamy base

    Full guide →
  • 1 cup sour cream
    Greek yogurt1:1protein

    slightly tangier flavor

    Full guide →
  • 1 small onion, chopped
  • 2 cups shredded cheddar cheese, divided
    Monterey Jack cheese1:1mild

    milder flavor profile

    Full guide →
  • ¼ teaspoon black pepper
  • chopped chives, for garnish(optional)

Instructions

  1. 1

    Preheat the oven to 350°F

  2. 2

    Grease a 9x13-inch baking dish with butter

  3. 3

    Melt the remaining butter in a small bowl

  4. 4

    Combine hash browns, cream of chicken soup, sour cream, onion, cheddar cheese, melted butter, and black pepper in a large bowl

  5. 5

    Mix well breaking up any lumps

  6. 6

    Pour mixture into prepared baking dish

  7. 7

    Top with the remaining cheddar cheese

  8. 8

    Bake for 50 minutes until bubbly and golden brown

  9. 9

    Garnish with chopped chives

  10. 10

    Serve immediately while hot

Tips

Tip 1

Thaw frozen hash browns completely and drain excess moisture for best texture.

Tip 2

Let the casserole rest 5-10 minutes after baking for easier serving.

Tip 3

Break up any clumps of hash browns thoroughly for even distribution.

Good to Know

Storage

Refrigerate leftovers up to 3 days in covered container.

Make Ahead

Assemble casserole up to 1 day ahead and refrigerate before baking.

Serve With

Serve hot as side dish with breakfast, brunch, or dinner.

See pairing guide →

Common Mistakes

Watch

Drain thawed hash browns well to avoid watery casserole.

Watch

Do not skip greasing the pan to prevent sticking.

Substitutions

cream of chicken soup
cream of mushroom soup1:1vegetarian

same creamy base

Full guide →
sour cream
Greek yogurt1:1protein

slightly tangier flavor

Full guide →
cheddar cheese
Monterey Jack cheese1:1mild

milder flavor profile

Full guide →
Find more substitutions →

FAQ

Can I use fresh hash browns instead of frozen?

Yes, grate 4 cups of fresh potatoes and squeeze out excess moisture before mixing.

What if I don't have cream of chicken soup?

Substitute with cream of mushroom or cream of celery soup for similar consistency.

How long will leftovers keep in the refrigerator?

Store covered leftovers in refrigerator for up to 3 days and reheat in oven.