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Healthy Breakfast Casserole with Hash Browns – WellPlated.com

    The BEST Healthy breakfast casserole for a crowd in a baking dish
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    This Healthy Breakfast Casserole has something for everyone. Made with zesty Italian sausage, hash brown potatoes, melty cheese, and a heap of fresh veggies, it’s hearty, colorful, and sure to keep the peace at breakfast time.

    The BEST Healthy breakfast casserole for a crowd in a baking dish

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    Our family holidays center around food, and “eating healthy” tends to go on the back burner.

    The last thing that will pass our food-loving family is food that tastes too healthy (and our opinionated bunch will not hesitate to let you know as much).

    At the same time, however, by the time we’ve hit our third or fourth day of non-stop decadence, a few members of my family (myself included) appreciate a healthy breakfast recipe to provide some nourishment and reprieve.

    That’s where this healthy breakfast casserole with potatoes and spinach comes in (or this Pesto Quiche).

    Healthy breakfast casserole with spinach and bell peppers on a plate

    5 Star Review

    “Excellent! We all loved it! Easy to make, baked at times listed, absolutely delicious! Just enough cheese and spinach.”

    — Janet —

    LOADED with vegetables and paired with classic hearty additions like hash brown potatoes and sausage, this is a healthy breakfast casserole that even the diner-style breakfast purists at your table will also approve of.

    • Like my other favorite healthy breakfast bakes (Whole30 Breakfast Casserole and Crockpot Egg Casserole), this recipe can be assembled the day before to make your morning easy-breezy.
    • When you wake up, just preheat the oven, put on the coffee, and slip this easy breakfast casserole into the oven.

    Without fail, the scent of melting cheese and zesty sausage will lure your family into the kitchen, as will any of my other breakfast casserole recipes!

    Easy healthy breakfast casserole with hash browns in a baking dish

    The Best Easy Breakfast Casserole – A Shortcut

    Since the holidays are busy enough as it is, I wanted to take any time-saving measures I could find to speed this recipe along.

    Frozen veggies are one of my go-time time savers, so I decided to see if I could make a healthy breakfast casserole with frozen hash browns, like the ones that I use for Hash Brown Casserole.

    TOTAL SUCCESS.

    Rather than dice the potatoes, I swapped in thawed frozen diced hash brown potatoes.

    They tasted absolutely perfect, to the extent that I may never make a breakfast casserole the old way again (I’ll save fresh potatoes for this Potato Frittata).

    Healthy breakfast bake with vegetables

    How to Make Healthy Breakfast Casserole

    This healthy breakfast casserole with sausage is filling, flavorful, and offers big-time appeal for everyone at the table.

    In fact, don’t even mention the “h”-word. Your family will never suspect it!


    The Ingredients

    • eggs. The “glue” that holds all of our delicious casserole ingredients together. Packed with protein, choline, and numerous vitamins, eggs are an incredibly healthy ingredient.
    • Italian Sausage. With added spices, Italian sausage is an especially scrumptious and flavorful addition. Using either Italian turkey or chicken sausage also helps to keep this recipe on the healthy side.
    • Bell Pepper. Adds a wonderful pop of color and added nutrition. Bell peppers are rich in vitamin A and vitamin C.
    • Baby Spinach. An easy way to sneak some greens into your breakfast! When you add the spinach to the skillet, it will seem like far too much. However, it will cook down significantly and be just the right amount.

    Market Swap

    While bell peppers and spinach are my favorites, you can swap in other veggies you enjoy. Kale is a nice alternative to spinach, and caramelized onions or Roasted Zucchini make nice substitutes for bell peppers.

    Feel free to experiment and let me know your favorite combination.

    • hot sauce. Add a little of your favorite hot sauce for a mild touch of heat.
    • Hash Browns. The ultimate crowd-pleasing casserole ingredient that helps make this recipe extra satisfying. Plus, using frozen hash browns keeps things quick and easy.

    Ingredient Tip

    You’ll need 16 ounces of diced hash brown potatoes for this recipe. Most are sold in 2-pound bags (keep the other half in the freezer for another time). You can find them in the freezer section next to the regular hash brown shredded potatoes.

    You can also swap the frozen hash browns for 2 cups of diced fresh Yukon gold or russet potatoes if you prefer.

    For a healthy breakfast casserole with sweet potatoes, check out my Sweet Potato Frittata.

    • Cheddar Cheese. Sharp cheddar cheese won’t get lost amongst other ingredients in this casserole, and its flavor wonderfully complements them too.

    Substitution Tip

    Make this recipe your own and try swapping cheddar for another cheese. An aged cheese or one with a robust flavor is best. Some of my favorites include Gruyere, Parmesan, Asiago, or smoked Gouda.

    The Directions

    Crumbled sausage in a skillet
    1. Brown the sausage. Transfer it to a mixing bowl.
    A skillet with greens and veggies
    1. Sauté the vegetables.
    Veggies, sausage, and cheese in a bowl
    1. Combine the veggies, sausage, hash browns, and part of the cheese.
    Eggs being whisked in a bowl
    1. In a separate bowl, whisk the eggs, milk, hot sauce, and seasoning together.
    Cheese scattered on top of a healthy breakfast casserole
    1. Stir everything together, pour it into a baking dish, and sprinkle with cheese.
    2. Bake, covered, at 375 degrees F for 30 minutes. Then uncover and bake for an additional 15 to 20 minutes. Finish with green onions, slice, and serve. ENJOY!
    Healthy breakfast casserole with sausage

    Storage Tips

    • To store. Refrigerate the pan in an airtight storage container for up to 3 days.
    • To Reheat. Gently rewarm leftovers in a baking dish in the oven at 350 degrees F or individual slices in the microwave.
    • To Freeze. Freeze the pan in an airtight freezer-safe storage container for up to 3 months. Let thaw overnight in the refrigerator before reheating.

    Make Ahead Tips

    Fully assemble the casserole up to 1 day in advance, and store it unbaked and covered in the refrigerator. When you’re ready to bake, let the casserole come to room temperature while you preheat the oven, then bake it as directed.

    What to Serve with Breakfast Casserole

    In addition to being a peace-keeping, wholesome breakfast, this healthy breakfast casserole is feels at home for easy lunches and even dinners. Serve it with fruit salad, green salad, or other breakfast favorites.

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    A slice removed from the BEST healthy breakfast casserole

    Recommended Tools to Make this Recipe

    • Baking Dish. Perfect for making a breakfast casserole.
    • Whisk. This is my favorite whiskey. I love the smaller size!
    • Nonstick Skillet. Cleanup is a breeze with this skillet.

    Beautiful Baking Dish

    Not only is this baking dish high-quality and long-lasting, but it also looks beautiful served on a table. This piece will last a lifetime!

    Healthy breakfast casserole in a baking dish

    Did you make this recipe?

    Let me know what you thought!

    Leave a rating below in the comments and let me know how you liked the recipe.

    Whether you need a healthy breakfast casserole for a crowd or for two, the spot-on flavors here are sure to please, and you’ll enjoy the leftovers too!

    Frequently Asked Questions

    Does Breakfast Casserole Need to Sit Overnight?

    Some breakfast casserole recipes benefit from sitting overnight in the fridge (particularly if they contain bread). This healthy breakfast casserole does not need to rest in the fridge before baking, since it is made with potatoes rather than bread. Simply mix it up and bake it right away (or you can make it ahead if you please).

    What is the Difference Between Egg Casserole and Quiche?

    While egg casserole and quiche (eg, Goat Cheese Quiche) are both fantastic brunch options, the main difference is a classic quiche typically features a buttery and flaky pie crust, while most breakfast casseroles do not have a crust. They are baked directly in a baking dish or skillet, like a frittata.

    Can I Make Healthy Egg Casserole with Egg Beaters?

    I have not tried preparing this as an egg beaters casserole, so it would be an experiment. If you would like to experiment, I would suggest referring to the package directions as a starting point and adapting the recipe from there. If you try it, I would love to hear about your results!

    • 1 pounds sweet or spicy Italian turkey sausage or chicken sausage either in bulk or in casings
    • 1 teaspoon extra virgin olive oil
    • 1 red bell pepper cut into a small dice
    • 1 small bunch green onions finely chopped (about 3/4 cup), divided
    • 5 ounces roughly chopped or torn baby spinach about 5 cups
    • 10 large eggs
    • 1/2 cup milk
    • 1 to 2 teaspoons of your favorite hot sauce
    • 1/2 teaspoon kosher salt
    • 1/4 teaspoon black pepper
    • 16 ounces frozen diced hash browns thawed (or 2 cups 1/2-inch diced white potatoes)
    • 1 cup shredded sharp cheddar cheese divided

    • Preheat the oven to 375 degrees F. Generously coat a 9×13-inch baking dish with nonstick spray or butter.

    • Heat a large, nonstick skillet over medium-high heat. Break the sausage up in the skillet into small pieces and brown it until it is fully cooked through. With a slotted spoon, remove to a large mixing bowl. No need to wipe the skillet clean.

    • Drizzle in the olive oil. Add the bell pepper and three-fourths of the green onions. Stir and cook until the pepper is crisp-tender, about 8 minutes.

    • Add the spinach a few handfuls at a time, stirring until the spinach wilts. It will look like a lot of spinach at first, but it will cook down considerably. This will take about 2 minutes. Add the vegetables to the mixing bowl with the sausage.

    • To the mixing bowl, add the hash browns and 1/2 cup of cheese. With a large spoon, gently stir to combine.

    • In a separate larger mixing bowl, whisk together the eggs, milk, hot sauce, salt, and pepper until blended.

    • Pour the egg mixture over the hash brown mixture and stir gently to combine. Carefully pour into the prepared baking dish. Use a spoon to produce the filling into an even layer. Top evenly with the remaining 1/2 cup of cheese.

    • Cover the casserole with aluminum foil and bake for 30 minutes.

    • Remove the foil and continue baking until the eggs are set, and the potatoes are tender (I use a fork to remove a potato and test it), about 15 to 20 additional minutes. Let rest a few minutes. Sprinkle with the reserved green onions. Slice and enjoy!

    • TO STORE: Refrigerate saucepan in an airtight storage container for up to 3 days.
    • TO REHEAT: Gently rewarm leftovers in a baking dish in the oven at 350 degrees F.
    • TO FREEZE: Freeze casserole in an airtight, freezer-safe storage container for up to 3 months. Let thaw overnight in the refrigerator before reheating.
    • TO MAKE AHEAD: Fully assemble the casserole up to 1 day in advance, and store it unbaked and covered in the refrigerator. When you’re ready to bake, let the casserole come to room temperature while you preheat the oven, then bake it as directed.

    Serving: 1(of 8)calories: 293caloriesCarbohydrates: 16gprotein: 21gFat: 16gSaturated Fat: 7gCholesterol: 250mgPotassium: 542mgfiber: 2gSugar: 4gVitamin A: 2768UIVitamin C: 48mgCalcium: 193mgIron: 8mg

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