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This Slow Cooker breakfast casserole is an easy, cozy way to wake up to eggs, potatoes, Sausage, and cheddar already cooked. Frozen hash browns go straight into the Slow Cooker, and the whole casserole cooks low and slow while you sleep. You’re going to love how satisfying it is with almost no morning effort.
This is not fancy food. It is not trying to impress anyone with tiny herbs or a sauce that requires two kinds of vinegar. It’s eggs, potatoes, sausage, and cheddar, Baked low and slow until it turns into a soft, cheesy, satisfying scoop of breakfast. Frankly, on a cold Tuesday, that is plenty.
Why You’ll Love It
- Overnight convenience — assemble it before bed and wake up to a hot breakfast.
- No potato prep — frozen shredded hash browns go straight into the Slow Cooker.
- Hearty and satisfying — eggs, sausage, cheddar, and potatoes make a filling meal.
- Feeds six generously — serve it with fruit, toast, English muffins, salsa, or sour cream.
- Stays warm nicely — the slow cooker keeps it ready when breakfast timing is flexible.
Ingredient Notes
Frozen shredded hash browns are the right thing here. Don’t thaw them first; they go in frozen and gradually soften as the casserole cooks. I generally buy the plain kind in the big bag, not the seasoned cubes or anything with peppers already mixed in. Those have their place, just not in this particular little operation.
For the sausage, use whatever breakfast sausage your family likes—pork or turkey both work. It does need to be cooked and crumbled before it goes into the slow cooker. I know, one extra skillet to wash. Irritating. But it’s worth it, and you can cook the sausage earlier in the day if you’re feeling unusually organized.
Cheddar is my usual choice because it tastes like breakfast to me. Sharp cheddar is especially good, though regular shredded cheddar melts beautifully too. The pre-shredded bagged cheese is perfectly fine. I grate cheese from a block sometimes, but not every meal needs to become a personal character test.
Whole milk gives the eggs a richer texture, though 2% works exactly as well for this recipe. And use kosher salt if you have it; if your salt is very fine, just be mindful not to overdo it. The black pepper is technically optional, but I always add it. Eggs without pepper feel unfinished somehow.
Ingredients
- Nonstick cooking spray or a little butter, for greasing the slow cooker
- 1 bag (30 to 32 ounces) frozen shredded hash browns, unthawed
- 8 ounces breakfast sausage, pork or turkey, cooked and crumbled
- 1 1/2 cups shredded cheddar cheese, more if you “accidentally” grab an extra pinch
- 8 large eggs
- 1 cup whole milk or 2% milk
- 1 teaspoon kosher salt
- 1/2 teaspoon black pepper, optional but I’d use it
Instructions
Grease the inside of a 5- to 6-quart slow cooker with nonstick cooking spray or rub it with a little butter. Be reasonably generous around the sides, because baked-on egg is nobody’s favorite weekend project.
Spread the frozen shredded hash browns evenly across the bottom of the slow cooker. Leave them frozen; no thawing, no draining, none of that. Break apart any giant frozen clumps with your fingers if you can, but don’t fuss over every last piece.
Sprinkle the cooked, crumbled breakfast sausage evenly over the hash browns. Try to distribute it so nobody gets one sad all-potato scoop later. Not that an all-potato scoop is sad, exactly. I would eat it. But balance is nice.
Scatter the shredded cheddar cheese over the sausage and hash browns in an even layer. It will look like a lot at first, then it melts down into the casserole and becomes the whole reason people hover around the slow cooker with a spoon.
In a medium bowl, whisk together the eggs, milk, kosher salt, and black pepper until smooth and well combined. I use a plain wire whisk, but a fork will get you there.
Slowly pour the egg mixture over the layers in the slow cooker, aiming to cover as much of the surface as possible. Don’t stir it all up afterward. The egg mixture will settle down through the potatoes as it cooks, and that layered setup gives the casserole its nice texture.
Cover with the lid and cook on LOW for 6 to 8 hours, or on HIGH for 3 to 4 hours, until the eggs are set in the center and the edges are lightly golden. Every slow cooker seems to have its own temperament—like people, honestly—so start checking at the early end of the cooking range. If the center is still wet and jiggly, give it more time.
Once the casserole is cooked, turn the slow cooker to WARM if you are not serving it right away. Let it sit covered for about 10 minutes before scooping. This helps it firm up a little.
Spoon the casserole into bowls and serve hot. Fresh fruit, toast, English muffins, salsa, hot sauce, sliced green onions, or sour cream are all lovely alongside it. A simple green salad works too if you’re serving it closer to lunch, though I will admit salad at breakfast still feels a little suspicious to me.
Variations
Turkey sausage and pepper jack cheese make a very good variation that is a little spicier than usual before noon. You can swap in diced ham or cooked, crumbled bacon for the sausage if that’s what you have. Plant-based sausage works too for a warm, substantial meat-free breakfast.
You can also add 1 to 2 cups of finely chopped bell peppers, onions, or spinach on top of the hash browns before adding the sausage and cheese. Keep the extras modest, though.
For a lighter version, use half egg whites and half whole eggs, turkey sausage, and 1% milk. It will be less rich, naturally, but still good.
Storage & Reheating
Leftovers keep in an airtight container in the refrigerator for up to 3 days. Scoop portions into individual containers because it makes weekday breakfasts much easier.
Reheat individual portions in the microwave until hot. Cover loosely with a paper towel so the top doesn’t dry out. The potatoes soften a little more after refrigeration, but the flavor is still wonderful—maybe even better the next day, although I change my mind about that every time.
If you want something more grab-and-go, chill the casserole completely, cut it into squares, and warm up a piece as needed. It won’t be neat like a breakfast bar unless you let it get quite cold first, but neatness is overrated. We are eating breakfast, not judging a baking contest.
Final Notes
There’s something awfully comforting about waking up to food already made. Not fancy food, not a holiday spread with twelve serving dishes and a centerpiece you have to move every time someone needs the butter. Just breakfast, warm and waiting.
Life moves along. Breakfast still helps.
Slow Cooker Amish Breakfast Casserole
Ingredients
- Nonstick cooking spray or butter for greasing the slow cooker
- 1 bag (30 to 32 ounces) Frozen shredded hash browns unthawed
- 8 ounces Breakfast sausage pork or turkey, cooked and crumbled
- 1 1/2 cups Shredded cheddar cheese
- 8 Large eggs
- 1 cup Whole milk or 2% milk
- 1 teaspoon Kosher salt
- 1/2 teaspoon Black pepper optional
Instructions
- Grease the inside of a 5- to 6-quart slow cooker with nonstick cooking spray or a little butter.
- Spread the frozen shredded hash browns evenly across the bottom of the slow cooker, breaking apart any large clumps without thawing them.
- Sprinkle the cooked, crumbled breakfast sausage evenly over the hash browns.
- Scatter the shredded cheddar cheese over the sausage and hash browns in an even layer.
- In a medium bowl, whisk together the eggs, milk, kosher salt, and black pepper until smooth and well combined.
- Slowly pour the egg mixture over the layers in the slow cooker, covering as much of the surface as possible, and do not stir.
- Cover and cook on LOW for 6 to 8 hours, or on HIGH for 3 to 4 hours, until the eggs are set in the center and the edges are lightly golden.
- Turn the slow cooker to WARM if needed and let the covered casserole sit for about 10 minutes to firm up slightly.
- Spoon the casserole into bowls and serve hot with fresh fruit, toast, English muffins, salsa, hot sauce, sliced green onions, or sour cream if desired.