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Sausage Hash Brown Breakfast Casserole finished and ready to serve

Sausage Hash Brown Breakfast Casserole

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Breakfast for a crowd has a way of turning one person into a short-order cook while everyone else develops strong opinions about egg doneness. This sausage hash brown breakfast casserole solves that problem by putting the whole operation in one 9x13-inch dish: thawed shredded potatoes, browned breakfast sausage, cheddar, and an egg-and-milk mixture seasoned with garlic and onion powder.

Thawing the hash browns first is more than a convenience note. Frozen potatoes carry enough surface moisture to make the casserole watery and slow down the set, while thawed hash browns absorb the seasoned egg mixture and give the bottom some structure. The sausage should be browned and drained before layering so the finished casserole tastes savory rather than greasy. Then it bakes at 350°F until the center no longer jiggles and the cheese on top turns golden.

Give it ten minutes to rest before cutting. That short wait lets the egg custard finish setting around the potatoes, which means you get actual squares instead of a breakfast landslide. It is hearty, cheesy, and built for mornings when nobody needs you standing over a skillet asking, “Who wanted theirs over medium again?”

Prep25 minutes
Cook35 minutes
Total1 hour
Serves4 servings
DifficultyEasy

Ingredients

Servings
  • 1 pound breakfast sausage
  • 1 bag (30 ounces) frozen shredded hash browns, thawed
  • 6 eggs
  • 1 cup whole milk
  • 2 cups shredded cheddar cheese
  • 1/2 teaspoon kosher salt
  • 1/4 teaspoon black pepper
  • 1/2 teaspoon garlic powder
  • 1/4 teaspoon onion powder
  • Green onions, for serving

Instructions

  1. 1Preheat oven to 350°F. Grease a 9x13 baking dish.
  2. 2Brown sausage in a skillet, breaking into crumbles. Drain fat.
  3. 3Spread thawed hash browns in the baking dish. Top with sausage, then 1 1/2 cups cheese.
  4. 4Whisk eggs, milk, salt, pepper, garlic powder, and onion powder. Pour evenly over the layers.
  5. 5Top with remaining cheese.
  6. 6Bake 45 to 50 minutes until the eggs are set, the top is golden, and the center doesn't jiggle.
  7. 7Rest 10 minutes before slicing.

Nutrition Information

Estimated per serving: 1 of 4 servings.

990Calories
48 gProtein
58 gCarbohydrates
65 gTotal Fat
27 gSaturated Fat
4 gFiber
6 gTotal Sugars
2440 mgSodium
425 mgCholesterol

Estimated from the ingredients and quantities in this recipe using standard food-composition values. Brand choices, trimming, cooking loss, optional ingredients, and actual portion size can change the numbers. How we calculate nutrition estimates.

Pro Tips

  • Thaw the hash browns and squeeze out excess moisture. Wet hash browns make a soggy casserole.
  • Let it rest before cutting so the egg layer sets and holds together.
  • Bake until the center is firm — a jiggly center means it needs more time.

Substitutions

breakfast sausage → bacon crumbles or diced ham Bacon adds smokiness; ham is milder.
hash browns → cubed Yukon Gold potatoes, parboiled Fresh potatoes give a different texture.
cheddar cheese → pepper jack or Gruyère Pepper jack adds heat; Gruyère is more refined.

Storage Instructions

Refrigerate for up to 4 days. Reheat slices at 350°F for 10 minutes.

Make Ahead

Assemble the entire casserole the night before. Refrigerate overnight. Bake in the morning — add 10 minutes to the cook time.

Freezing

Yes. Freeze Sausage Hash Brown Breakfast Casserole tightly covered before or after baking, depending on which stage the recipe handles best. Thaw in the refrigerator, then bake or reheat until the center is thoroughly hot; add crisp toppings at the end when possible.

Frequently Asked Questions

Can I make this ahead of time?

Assemble the entire casserole the night before. Refrigerate overnight. Bake in the morning — add 10 minutes to the cook time.

How do I store the leftovers?

Refrigerate for up to 4 days. Reheat slices at 350°F for 10 minutes.

Can I freeze it?

Yes. Freeze Sausage Hash Brown Breakfast Casserole tightly covered before or after baking, depending on which stage the recipe handles best. Thaw in the refrigerator, then bake or reheat until the center is thoroughly hot; add crisp toppings at the end when possible.

Can I adjust it for what I have on hand?

Yes. Tested adjustments on this recipe include breakfast sausage → bacon crumbles or diced ham; hash browns → cubed Yukon Gold potatoes, parboiled; and cheddar cheese → pepper jack or Gruyère.

What's the most common mistake to avoid?

Thaw the hash browns and squeeze out excess moisture. Wet hash browns make a soggy casserole.

Build the plate

Make It a Meal

Pair this recipe with a side, bread, and something sweet from the FAFO Kitchen.

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Lila is the editorial persona and visual host of Fork Around & Find Out Kitchen. Recipes presented in the Lila voice are developed, edited, and published under FAFO Kitchen's editorial standards.

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