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Instructions:
- Preheat the oven to 375°F (190°C) and grease a 9×13-inch baking dish.
- In a large mixing bowl, combine the hash browns, diced ham, shredded cheese, onions (if using), garlic powder, onion powder, salt, and pepper.
- In a separate bowl, whisk together the sour cream, cream of chicken soup, milk, and melted butter.
- Pour the wet mixture into the hash brown mixture and stir until everything is evenly coated.
- Spread the mixture into the prepared baking dish and sprinkle extra cheddar cheese on top.
- Bake for 45–50 minutes, or until the casserole is bubbly and golden on the surface.
- Allow the casserole to rest for 10 minutes before serving for clean, perfect scoops.
Variations
- Add cooked bacon for extra smokiness and richness.
- Mix in jalapeños or green chiles for a spicy kick.
- Swap cheddar for a blend of cheddar and Monterey Jack for a smoother melt.
- Add a handful of frozen peas or corn for extra texture and color.
Tips
- Thaw the hash browns completely to ensure even cooking.
- If you want a crispier top, broil the casserole for the last 1–2 minutes.
- Taste the mixture before baking to adjust salt—ham and cheese add saltiness on their own.
- Leftovers reheat beautifully and make an excellent next-day breakfast.