Wake up to a breakfast that tastes like a hug: this Hearty & Easy Breakfast Casserole is the ultimate one-dish morning meal. It’s loaded with the savory goodness of bacon and sausage, rich eggs, tender potatoes, and melty cheddar. The textures are comforting and the flavors have a kick of Cajun warmth—all together in a no-fuss casserole that’s just right for busy mornings or leisurely brunches. This is the kind of dish that sets you up for a great day, and best of all, you don’t have to be a morning person to pull it off.

Why You’ll Love This Recipe

  • Weekday Friendly: Everything comes together in just a few simple steps, making it doable on even the most hectic weekday.
  • Abundant Flavor: You get smoky bacon, juicy sausage, creamy eggs, and a little zing from Cajun seasoning all in the same bite.
  • Fuss-Free and Satisfying: No standing by the stove flipping pancakes—just mix, bake, and enjoy.
  • Customizable: This casserole is endlessly adaptable. It’s the perfect way to use up what you’ve got while ensuring it’s never boring.

Ingredients You’ll Need

  • Thick-cut Bacon: For a smoky, crisp bite in every forkful. Don’t skimp—bacon’s the foundation of flavor here.
  • Breakfast Sausage: Choose your favorite brand; sausage brings heartiness and a savory, spiced kick.
  • Red Bell Pepper: Adds sweetness, color, and a little crunch.
  • Yellow Onion: For mellow, classic onion flavor.
  • Garlic Paste: Lends a punch of fragrant depth and mixes in evenly.
  • Fresh Baby Spinach: Sneak in those leafy greens; wilted spinach blends in beautifully and adds freshness.
  • Creole Cajun Seasoning: Brings the big, bold flavors—smoky, spicy, and complex.
  • Eggs: The creamy, rich base that holds the casserole together.
  • Cottage Cheese: Don’t skip this! It adds moistness and a lovely tangy lift (and extra protein).
  • Half and Half: Enriches the eggs, making the casserole fluffy and decadent.
  • Kosher Salt & Fresh Black Pepper: Enhances every ingredient; start with a little, then adjust to taste.
  • Refrigerated Diced Potatoes: Super convenient and gives the casserole its classic “breakfast” feel.
  • Shredded Cheddar Cheese: Topping with cheese is a must—the more oozy and golden, the better. Hand-grated melts best.
  • Sliced Scallions & Sour Cream (Optional): For a fresh, cooling finish at the table.

Note: Use full-fat products for the richest texture and best flavor. Skip the pre-grated cheese if possible for meltier results!

Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Variations

Looking to put your own spin on it? Here are a few fun twists:

  • Switch Up the Meat: Try cooked chorizo for a spicy kick, or swap sausage for diced ham or turkey sausage.
  • Make It Vegetarian: Skip the bacon and sausage; add sautéed mushrooms, diced zucchini, or more bell peppers.
  • Change the Cheese: Monterey Jack, pepper jack, or Swiss work just as well—choose based on your cheese cravings.
  • Set the Heat: Up the Cajun seasoning or add chopped jalapeños if you like things fiery.
  • Go Gluten Free: All main ingredients are naturally gluten-free, but always double-check labels.

How to Make Hearty & Easy Breakfast Casserole

Step 1: Crisp Up the Bacon

Start by frying the bacon in a deep skillet. As it sizzles, give it a stir now and then until the pieces are golden and super crisp. Spoon it out onto a paper towel to drain, and remember to keep about two tablespoons of the savory bacon fat for the next steps—liquid gold for flavor.

Step 2: Brown the Sausage

Add your breakfast sausage to the pan, breaking it apart so it gets plenty of brown, crispy edges. Don’t rush this—it should be golden and fragrant.

Step 3: Sauté the Veggies

Toss in chopped red bell pepper and onion with the sausage. Sauté until everything looks tender and lightly caramelized. If your pan gets dry, a splash more bacon fat works magic! Next, stir in a dollop of garlic paste, letting it go just long enough to smell amazing.

Step 4: Wilt the Spinach and Season

Add your mountain of spinach straight into the pan. It seems like a lot, but it will wilt down—promise. Stir in your Cajun seasoning for that signature southern flair. Return the crisped bacon for maximum flavor, mix well, then take the pan off the heat.

Step 5: Blitz the Egg Mixture

In a blender, combine eggs, cottage cheese, half and half, salt, and pepper. Blitz it smooth. This is the secret to a fluffier, almost soufflé-like casserole.

Step 6: Assemble the Casserole

Scatter the diced potatoes in your prepared baking dish, season with Cajun spice, and toss gently. Sprinkle on a handful of cheddar for a cheesy layer. Evenly spoon the sausage-and-spinach mix over the potatoes. Finally, pour over your creamy egg blend and top with the last of the cheddar.

Step 7: Bake to Golden Perfection

Bake at 375°F for 25–35 minutes until the edges are crisp, the top’s temptingly golden, and the center barely jiggles. Let it cool for about 15 minutes before slicing to let everything set up.

Step 8: Serve and Garnish

Cut into squares and shower with sliced scallions. A dollop of sour cream tops things off with a cool contrast. Serve and treat yourself!

Pro Tips for Making the Recipe

  • Pre-cook the Bacon/Sausage: This not only renders fat for flavor but also ensures you don’t get greasy pockets in your casserole.
  • Hand-Grate Your Cheese: It melts smoother and tastes fresher.
  • Let It Rest: Allowing your bake to cool a little before cutting is crucial for neat slices and the perfect texture.
  • Blender Eggs: Using a blender for the eggs and cottage cheese guarantees a super-light, uniform custard.
  • Don’t Over-bake: The casserole is done when there’s just a soft wobble in the center; it will continue to firm up as it cools.

How to Serve

This breakfast casserole is a meal in itself but shines even brighter with a few simple pairings:

  • Fresh Fruit Salad: Balances the savory richness.
  • Buttered Toast or English Muffins: Because who doesn’t love extra carbs for mopping up those cheesy edges?
  • Garnishes: Sliced scallions and a swirl of sour cream for extra layers of flavor and visual appeal.
  • Brunch Buffet: Serve alongside crisp bacon, avocado slices, and maybe a light green salad for a crowd-pleasing brunch spread.

Make Ahead and Storage

Storing Leftovers

Cool the casserole completely, then cover tightly or portion individual squares into airtight containers. It keeps wonderfully in the fridge for up to 3 days.

Freezing

Wrap slices in foil and store in a freezer-safe bag or container. Casserole freezes beautifully for up to 2 months.

Reheating

Reheat slices in a 300°F oven for 15–20 minutes for best texture, or microwave individual servings until just warmed through. Tip: If reheating from frozen, thaw overnight in the fridge first for even warming.

FAQs

  1. How far in advance can I assemble this casserole?

    You can assemble the entire casserole the night before—just cover tightly and refrigerate until morning. Add a few more minutes to baking time if you’re popping it straight into the oven from the fridge.

  2. Can I use hash browns instead of diced potatoes?

    Absolutely! Frozen or refrigerated hash browns can take the place of diced potatoes without any changes to the recipe—just make sure they’re thawed and drained, if needed.

  3. What’s the best way to make this less spicy?

    Simply use mild sausage and go light on the Cajun seasoning, or choose a mild, herby blend for seasoning. You can always set hot sauce on the table for those who want more heat.

  4. Is there a dairy-free option?

    You can swap the cottage cheese and half and half for your favorite unsweetened non-dairy yogurt and plant-based milk. Opt for a vegan cheese alternative for topping, and double-check the sausage/bacon choices for dairy additions.

Final Thoughts

Breakfast should be as hearty and easy as this casserole. With simple steps and such delicious results, there’s every reason to make it a morning staple—especially when you want a meal that’s both comforting and hassle-free. Dive in, make it your own, and enjoy the unbeatable feeling of a warm, homemade breakfast on your table!

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Hearty & Easy Breakfast Casserole Recipe

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  • Author: Jasmine
  • Prep Time: 20 minutes
  • Cook Time: 55 minutes
  • Total Time: 1 hour 15 minutes
  • Yield: 12 1x
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Gluten Free

Description

This Hearty & Easy Breakfast Casserole is a savory, protein-packed classic that’s perfect for feeding a crowd at breakfast or brunch. With crisp bacon, flavorful sausage, sautéed veggies, hash brown potatoes, spinach, creamy cottage cheese, and plenty of cheddar, it’s a delicious and satisfying make-ahead meal. Bake it until golden and set for a crowd-pleaser that’s simple, tasty, and convenient.


Ingredients

Units Scale

Meats

  • 1 lb (16-ounces) thick-cut bacon, chopped
  • 1 lb (16-ounces) breakfast sausage

Vegetables & Seasonings

  • 1 red bell pepper, chopped
  • 1/2 medium yellow onion, chopped
  • 1 tablespoon garlic paste
  • 1 (5-ounce) bag fresh baby spinach
  • 1 tablespoon Creole Cajun seasoning (plus more to taste)
  • Kosher salt & fresh ground black pepper, to taste
  • Sliced scallions, for garnish (optional)

Dairy & Eggs

  • 12 large eggs
  • 1 (16-ounce) container cottage cheese
  • 1/4 cup half and half
  • 1 cup shredded cheddar cheese, divided (preferably hand-grated)
  • Sour cream, for garnish/serving (optional)

Other

  • 2 cups refrigerated diced potatoes
  • Nonstick spray, for greasing pan

Instructions

  1. Prepare the Baking Dish: Preheat your oven to 375°F. Coat a 9×13-inch baking dish with nonstick spray to prevent sticking and set aside.
  2. Crisp the Bacon: In a large deep skillet or Dutch oven over medium-high heat, add the chopped bacon. Stir occasionally as it cooks, breaking it up into smaller pieces, and cook until golden and crisp, about 10-15 minutes. With a slotted utensil, transfer the bacon to a paper towel-lined plate. Carefully pour out most of the rendered fat, leaving about 2 tablespoons in the skillet for flavor.
  3. Brown the Sausage: To the same skillet with reserved bacon fat, add the breakfast sausage. Using a wooden utensil, break the sausage into crumbles and cook until browned and lightly crisp, about 3-4 minutes.
  4. Sauté the Veggies: Add chopped bell pepper and onion to the skillet, stirring to combine with the sausage. Sauté until the veggies are softened and starting to turn golden, about 3-4 minutes. If the pan looks dry, add 1-2 teaspoons of the reserved bacon fat if needed. Add the garlic paste and stir, cooking for 1 minute until fragrant.
  5. Add Spinach and Season: Toss in the fresh spinach and cook, stirring, until well wilted and reduced in volume. Season the mixture with Cajun seasoning, and stir thoroughly to combine flavors. Add the reserved crisp bacon back into the pan, combine well, and remove the skillet from heat.
  6. Blend the Egg Mixture: In a high-speed blender, add the eggs, cottage cheese, half and half, and salt and pepper to taste. Blend the mixture until smooth and fully combined, then set aside.
  7. Assemble the Casserole: Spread the diced potatoes evenly in the prepared baking dish. Sprinkle some Cajun seasoning and use your hands to toss and coat potatoes. Spread a small portion of the shredded cheddar cheese over the potatoes. Layer the sausage, veggie, and bacon mixture evenly on top, followed by pouring over the egg mixture. Sprinkle the remaining cheddar cheese evenly on top.
  8. Bake: Place the assembled casserole in the preheated oven and bake for 25-35 minutes, or until the casserole is mostly set with slightly crisp edges and a barely jiggly center.
  9. Cool and Set: Remove casserole from the oven and let it cool and set before slicing, about 15-20 minutes. This helps the casserole hold its shape when serving.
  10. Serve: Slice the casserole into squares and, if desired, garnish each serving with fresh scallions and a dollop of sour cream. Enjoy!

Notes

  • To freeze leftovers, ensure casserole is cooled to room temperature. Wrap portions tightly in foil, then place in a freezer-safe container for up to 2 months.
  • To reheat, thaw overnight in the refrigerator. Bake at 300°F for 15-20 minutes or microwave until warmed through.
  • For the best cheese texture, hand-grate the cheddar rather than using pre-shredded.
  • This recipe can be made ahead and refrigerated overnight before baking the next morning.

Nutrition

  • Serving Size: 1/12 of casserole
  • Calories: 375
  • Sugar: 2g
  • Sodium: 820mg
  • Fat: 26g
  • Saturated Fat: 10g
  • Unsaturated Fat: 13g
  • Trans Fat: 0g
  • Carbohydrates: 11g
  • Fiber: 1g
  • Protein: 22g
  • Cholesterol: 245mg

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