When it comes to comforting, crowd-pleasing dishes, Crock Pot Hash Brown Casserole is a must. This creamy, cheesy slow-cooker casserole works brilliantly for family breakfasts, potlucks, holiday sides, or easy weeknight meals. With minimal prep and hands-off cooking, it’s perfect for busy days or make-ahead plans.


This shredded hash brown casserole rivals other comfort-potato recipes. I love using a casserole crock pot for hands-off cooking. Combining thawed hash browns, diced onion, cream of chicken soup, sour cream, melted butter, and plenty of cheese creates a rich, satisfying side that’s easy to customize.
Why You’ll Love This Recipe
- Family-Friendly: The creamy texture and melted cheese appeal to kids and adults alike.
- Simple Prep: A handful of pantry staples are all you need—mix and set it to cook.
- Great for Gatherings: This casserole feeds a crowd and travels well for potlucks or brunch.
- Make-Ahead Friendly: Assemble in the morning or the night before, then cook when you’re ready.
Ingredients You’ll Need
These straightforward ingredients were chosen for flavor and convenience. Use the quantities in the recipe card below or adjust to taste.

- Frozen shredded hash browns (thawed)
- Cream of chicken soup (or cream of mushroom for vegetarian)
- Shredded cheddar or Colby-Jack cheese
- Sour cream (or plain Greek yogurt)
- Small onion, finely diced
- Melted butter
- Seasoning salt and black pepper
- Optional toppings: crumbled bacon, sliced green onions, extra cheese
See the recipe card for exact quantities and nutrition details.
How to Make Crock Pot Hash Brown Casserole
Start by thawing the hash browns and breaking up any clumps. Season the potatoes with seasoning salt and black pepper.

Dice the onion and gather the remaining ingredients.

- Step 1 — Mix: In a large bowl, combine the thawed hash browns, cream of chicken soup, most of the shredded cheese, sour cream, diced onion, melted butter, seasoning salt, and black pepper. Stir until evenly combined.

- Step 2 — Transfer: Grease the inside of your slow cooker and pour in the mixture, smoothing the top. Reserve some cheese for topping.

- Step 3 — Cook: Cover and cook on low for 4–6 hours or on high for 2–3 hours, until bubbly and the cheese is melted.

- Step 4 — Finish: In the last 20–30 minutes of cooking, add optional toppings like crumbled bacon, extra cheese, or sliced green onions.
When fully cooked, serve warm. It pairs well with eggs and sausage for breakfast, or with roasted meats and vegetables at dinner.

This casserole is forgiving and easy to adapt. Keep an eye near the end of cooking to prevent drying, and add a splash of cream or extra sour cream if the texture seems dry.
Substitutions
Swap ingredients to suit diet or taste without losing flavor:
- Fresh Potatoes: If frozen hash browns aren’t available, shred fresh potatoes and pat them dry, or use diced potatoes for a chunkier texture.
- Cheese: Try Monterey Jack, mozzarella, pepper jack, or smoked Gouda for different flavors.
- Sour Cream: Plain Greek yogurt or softened cream cheese also work well.
- Butter: Use margarine, a neutral oil, or ghee for a richer flavor.
- Canned Soup: Replace cream of chicken with cream of mushroom or make a simple homemade white sauce if you prefer fresh ingredients.
Variations
Customize the base recipe to create different meals:
- Protein Boost: Stir in cooked bacon, smoked sausage, diced ham, or shredded chicken for a heartier casserole.
- Spicy Version: Add diced jalapeños or swap in pepper jack cheese.
- Vegetarian: Use cream of mushroom soup and omit meat toppings.

Equipment
A standard slow cooker or casserole crock pot works best. Grease the insert to prevent sticking and use a 6–8 quart cooker for larger batches.
Storing Leftovers
- Refrigerator:
- Cool completely, then store in an airtight container for 3–4 days.
- Freezer:
- Cool, wrap tightly, and freeze up to 3 months. Thaw overnight before reheating.
- You can also assemble and freeze before cooking; thaw overnight and slow cook as usual.
Reheating Leftovers
- Oven: Preheat to 350°F (175°C), cover with foil, and bake 15–20 minutes until heated through.
- Microwave: Reheat individual portions on medium power in 1–2 minute intervals, stirring between to ensure even heating.
- From Frozen: Thaw overnight in the fridge, then reheat in the oven for best texture.

Instructions for Oven Preparation:
- Preheat oven to 350°F (175°C).
- Mix the thawed hash browns with soup, most of the cheese, sour cream, diced onion, melted butter, and seasonings.
- Grease a 9×13-inch baking dish and spread the mixture evenly.
- Bake 45–55 minutes until bubbly and golden, topping with remaining cheese during the last 10–15 minutes if desired.
Tips for the Best Crock Pot Hash Brown Casserole
- Thaw Completely: Fully thawed hash browns reduce excess moisture and help the casserole set.
- Watch the End: Check toward the end of cooking to avoid drying out; add a splash of cream or sour cream if needed.
- Grease Well: Prevent sticking by greasing the crock pot or lining with foil for easy removal.
FAQ
Yes. Mix the ingredients the night before and refrigerate. When ready, transfer to the slow cooker to cook.
Yes. Freeze portions in airtight containers for up to 3 months. Thaw in the refrigerator before reheating for best results.
Yes—use a larger slow cooker and allow extra cooking time as needed to heat through evenly.
What to Serve Alongside?
This casserole pairs well with eggs and breakfast meats for a brunch spread, or with roasted or grilled proteins and a green salad for dinner. It’s versatile enough to complement many main dishes.


Crock Pot Hash Brown Casserole
Ingredients
- 30 ounces shredded hashbrowns, partially thawed
- 1 onion, diced
- 1 cup sour cream
- 1 (10.5-ounce) can cream of chicken soup
- 3 cups shredded Colby-Jack or cheddar cheese, divided
- 1/4 cup butter, melted
- 2 teaspoons seasoning salt
- 1 teaspoon ground black pepper
Instructions
- Pour the shredded hashbrowns into a large bowl, break apart any clumps, and add seasoning salt.
- Add the diced onion, 2 cups of the shredded cheese, sour cream, cream of chicken soup, and black pepper. Stir to combine.
- Pour melted butter over the mixture and stir until evenly coated.
- Transfer to a greased slow cooker, top with remaining cheese, and cook on high 2–3 hours or low 4–6 hours, until bubbly and heated through.
Nutrition
To do:
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