Craveable 12 Low Carb Breakfast Casserole Recipes for Meal Prep

Breakfast should be fast, delicious, and not send your carbs into orbit. These low carb breakfast casseroles nail it: big flavor, simple prep, and they reheat like a dream. Meal prep them on Sunday, and you’ll crush weekday mornings without thinking. Ready to bake once and feast all week?

1. Cheesy Bacon & Spinach Wake-Up Bake

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This classic hits all the brunch notes: salty bacon, melty cheddar, and tender spinach tucked into fluffy eggs. It’s hearty without the carb bomb. Make it when you want comfort food that still keeps things light.

Ingredients:

• 8 large eggs
• 1/2 cup heavy cream
• 6 slices bacon, cooked and crumbled
• 2 cups fresh spinach, chopped
• 1 cup shredded sharp cheddar
• 1/4 cup chopped green onion
• 1/2 teaspoon garlic powder
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 1 tablespoon olive oil (for greasing)

Instructions:

1. Preheat oven to 375°F. Grease a 9×9-inch baking dish with olive oil.
2. Whisk eggs, heavy cream, garlic powder, salt, and pepper.
3. Scatter spinach, bacon, green onion, and 3/4 cup cheddar in the dish.
4. Pour egg mixture over. Top with remaining cheddar.
5. Bake 25–30 minutes until the center sets and edges turn golden. Rest 5 minutes before slicing.

Serve with a spoonful of salsa or sliced avocado. Swap cheddar for pepper jack if you want a kick—trust me, it slaps.

Nutrition (per serving, 6 servings; approx. 1/6 of pan): Calories: 323 | Total Fat: 26g | Total Carbs: 3g | Dietary Fiber: 0.5g | Net Carbs: 2.5g | Protein: 19g. Values are estimates and can vary.

2. Sausage, Pepper & Egg Power Pan

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Smoky breakfast sausage meets sweet bell peppers and gooey mozzarella. It’s colorful, super savory, and perfect for feeding a crowd—or your future self all week. Who doesn’t love a 30-minute win?

Ingredients:

• 10 large eggs
• 1/3 cup unsweetened almond milk
• 12 oz bulk pork breakfast sausage
• 1 red bell pepper, diced
• 1 green bell pepper, diced
• 1/2 medium yellow onion, diced
• 1 cup shredded mozzarella
• 1 teaspoon Italian seasoning
• 1/2 teaspoon smoked paprika
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• Nonstick spray

Instructions:

1. Preheat oven to 375°F. Spray a 9×13-inch dish.
2. Brown sausage in a skillet. Add onion and peppers; sauté 3–4 minutes until softened. Spread in dish.
3. Whisk eggs, almond milk, seasonings, salt, and pepper. Stir in 3/4 cup mozzarella.
4. Pour over sausage mix. Top with remaining mozzarella.
5. Bake 28–32 minutes until set. Cool 5 minutes before slicing.

Top with fresh basil or a dollop of pesto. Use turkey sausage to lighten it up, or go spicy with hot Italian sausage if that’s your jam.

Nutrition (per serving, 8 servings; approx. 1/8 of pan): Calories: 257 | Total Fat: 19g | Total Carbs: 4g | Dietary Fiber: 1g | Net Carbs: 3g | Protein: 18g. Values are estimates and can vary.

3. Broccoli Cheddar Brunch Squares That Disappear

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It’s the love child of a broccoli-cheddar soup and a frittata. Tender broccoli, sharp cheddar, and creamy eggs make an ultra-satisfying bake. Great for kids and picky eaters too.

Ingredients:

• 8 large eggs
• 1/2 cup sour cream
• 2 cups broccoli florets, chopped small (fresh or thawed frozen)
• 1 cup shredded sharp cheddar
• 2 tablespoons grated Parmesan
• 1/2 teaspoon onion powder
• 1/2 teaspoon garlic powder
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 1 tablespoon butter (for greasing)

Instructions:

1. Heat oven to 375°F. Grease an 8×8-inch dish with butter.
2. Steam broccoli 2–3 minutes until bright green and tender-crisp. Pat dry.
3. Whisk eggs, sour cream, seasonings, salt, and pepper. Stir in cheddar and Parmesan.
4. Fold in broccoli. Pour into dish.
5. Bake 25–30 minutes until puffed and just set. Rest 5 minutes.

Garnish with chives. Want extra protein? Add diced cooked chicken or ham—FYI it’s fantastic.

Nutrition (per serving, 6 servings; approx. 1/6 of pan): Calories: 241 | Total Fat: 18g | Total Carbs: 4g | Dietary Fiber: 1.5g | Net Carbs: 2.5g | Protein: 17g. Values are estimates and can vary.

4. Zesty Chorizo & Green Chile Egg Bake

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Bring the fiesta to breakfast with smoky chorizo and mild green chiles. It’s bold, cheesy, and wildly good with a spoon of salsa verde. Meal prep this and mornings taste like a brunch spot.

Ingredients:

• 10 large eggs
• 1/2 cup heavy cream
• 9 oz Mexican chorizo, casings removed
• 1 (4 oz) can diced green chiles, drained
• 1 cup shredded pepper jack
• 1/2 teaspoon cumin
• 1/4 teaspoon chili powder
• 1/2 teaspoon kosher salt
• Nonstick spray

Instructions:

1. Preheat oven to 375°F. Spray a 9×9-inch dish.
2. Cook chorizo until browned; drain excess fat. Spread in dish with green chiles.
3. Whisk eggs, cream, cumin, chili powder, and salt. Stir in 3/4 cup pepper jack.
4. Pour over chorizo. Top with remaining cheese.
5. Bake 25–30 minutes until set. Rest 5 minutes.

Top with cilantro, avocado, and a squeeze of lime. Want it milder? Use bulk turkey chorizo or swap pepper jack for Monterey Jack.

Nutrition (per serving, 6 servings; approx. 1/6 of pan): Calories: 320 | Total Fat: 25g | Total Carbs: 3g | Dietary Fiber: 0g | Net Carbs: 3g | Protein: 20g. Values are estimates and can vary.

5. Mushroom, Thyme & Gruyère Bake For Fancy People

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Earthy mushrooms, nutty Gruyère, and fragrant thyme make this taste restaurant-level. It feels luxe but takes 15 minutes of prep. Pair it with black coffee and pretend you’re in Paris.

Ingredients:

• 9 large eggs
• 1/3 cup half-and-half
• 10 oz cremini mushrooms, sliced
• 1 tablespoon butter
• 1 tablespoon olive oil
• 1 cup shredded Gruyère
• 1 teaspoon fresh thyme leaves (or 1/2 tsp dried)
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• Nonstick spray

Instructions:

1. Preheat oven to 375°F. Spray an 8×11-inch dish.
2. Sauté mushrooms in butter and oil over medium-high until browned and moisture evaporates, 6–8 minutes. Cool slightly.
3. Whisk eggs, half-and-half, thyme, salt, and pepper. Stir in Gruyère and mushrooms.
4. Pour into dish and bake 25–28 minutes until set.

Finish with a sprinkle of fresh thyme or chives. Swap Gruyère for Swiss or fontina if that’s what you’ve got, IMO it’s all delicious.

Nutrition (per serving, 6 servings; approx. 1/6 of pan): Calories: 260 | Total Fat: 20g | Total Carbs: 4g | Dietary Fiber: 1g | Net Carbs: 3g | Protein: 17g. Values are estimates and can vary.

6. Greek Feta, Olive & Tomato Sunrise Casserole

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Salty feta, briny Kalamata olives, and juicy cherry tomatoes bring sunny Mediterranean vibes. It’s bright, tangy, and pairs perfectly with a dollop of tzatziki. Meal prep that actually feels exciting? Yes please.

Ingredients:

• 10 large eggs
• 1/3 cup whole milk
• 1 cup cherry tomatoes, halved
• 1/3 cup Kalamata olives, sliced
• 3 oz feta, crumbled
• 1/4 cup chopped red onion
• 1 tablespoon chopped fresh parsley
• 1/2 teaspoon dried oregano
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• Olive oil spray

Instructions:

1. Heat oven to 375°F. Spray a 9×9-inch dish.
2. Whisk eggs, milk, oregano, salt, and pepper.
3. Scatter tomatoes, olives, onion, and feta in dish. Pour eggs over. Sprinkle parsley.
4. Bake 25–28 minutes until set. Cool 5 minutes.

Serve with cucumbers and lemon wedges. Add chopped cooked spinach or artichokes for even more Mediterranean flair.

Nutrition (per serving, 6 servings; approx. 1/6 of pan): Calories: 220 | Total Fat: 15g | Total Carbs: 4g | Dietary Fiber: 1g | Net Carbs: 3g | Protein: 16g. Values are estimates and can vary.

7. Ham, Swiss & Asparagus Weekend Hero

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Think classic quiche Lorraine energy, minus the crust. Savory ham, nutty Swiss, and snappy asparagus keep it fresh. It tastes like brunch but behaves like meal prep.

Ingredients:

• 8 large eggs
• 1/2 cup heavy cream
• 1 cup diced cooked ham
• 1 cup asparagus, trimmed and cut into 1-inch pieces
• 1 cup shredded Swiss cheese
• 1/4 teaspoon nutmeg
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 1 teaspoon olive oil

Instructions:

1. Preheat to 375°F. Grease an 8×8-inch dish with olive oil.
2. Blanch asparagus 1–2 minutes in boiling water; drain and pat dry.
3. Whisk eggs, cream, nutmeg, salt, and pepper. Stir in ham, asparagus, and Swiss.
4. Pour into dish and bake 25–30 minutes until just set.

Top with a little Dijon drizzle or fresh dill. Swap asparagus for broccoli in winter—your future self will thank you.

Nutrition (per serving, 6 servings; approx. 1/6 of pan): Calories: 298 | Total Fat: 23g | Total Carbs: 3g | Dietary Fiber: 1g | Net Carbs: 2g | Protein: 20g. Values are estimates and can vary.

8. Buffalo Chicken Breakfast Bake With Blue Cheese Crumble

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Spicy, tangy, and unapologetically bold. Shredded chicken tossed in Buffalo sauce with creamy blue cheese and celery gives your morning a kick. If you love wings, you’ll love this.

Ingredients:

• 9 large eggs
• 1/3 cup half-and-half
• 1 1/2 cups cooked shredded chicken
• 1/4 cup Buffalo wing sauce
• 1/2 cup crumbled blue cheese
• 1/2 cup shredded mozzarella
• 1/2 cup diced celery
• 1/4 teaspoon garlic powder
• 1/2 teaspoon kosher salt
• Nonstick spray

Instructions:

1. Heat oven to 375°F. Spray a 9×9-inch dish.
2. Toss chicken with Buffalo sauce. Spread in dish with celery.
3. Whisk eggs, half-and-half, garlic powder, and salt. Stir in mozzarella.
4. Pour over chicken. Sprinkle blue cheese on top.
5. Bake 25–28 minutes until set. Rest 5 minutes.

Drizzle with ranch or extra Buffalo. Not a blue cheese fan? Use feta or skip it—still awesome.

Nutrition (per serving, 6 servings; approx. 1/6 of pan): Calories: 255 | Total Fat: 17g | Total Carbs: 2g | Dietary Fiber: 0g | Net Carbs: 2g | Protein: 23g. Values are estimates and can vary.

9. Zucchini, Herb & Goat Cheese Morning Bake

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Light, creamy, and herby in the best way. Soft ribbons of zucchini melt into tangy goat cheese and fresh herbs. It’s elegant but super chill to make.

Ingredients:

• 8 large eggs
• 1/3 cup whole milk
• 2 small zucchinis, thinly sliced or ribboned
• 3 oz goat cheese, crumbled
• 2 tablespoons chopped fresh basil
• 1 tablespoon chopped fresh dill
• 1/2 teaspoon garlic powder
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 1 tablespoon olive oil

Instructions:

1. Preheat oven to 375°F. Grease an 8×8-inch dish with olive oil.
2. Salt zucchini lightly and let sit 5 minutes. Pat dry to remove moisture.
3. Whisk eggs, milk, garlic powder, salt, and pepper. Stir in herbs and goat cheese.
4. Layer zucchini in dish, pour egg mixture over.
5. Bake 25–28 minutes until set and lightly golden.

Finish with extra dill and a squeeze of lemon. Add red pepper flakes if you like heat—seriously, it’s a vibe.

Nutrition (per serving, 6 servings; approx. 1/6 of pan): Calories: 201 | Total Fat: 14g | Total Carbs: 3g | Dietary Fiber: 1g | Net Carbs: 2g | Protein: 15g. Values are estimates and can vary.

10. Turkey, Kale & Sun-Dried Tomato Protein Bake

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Lean ground turkey, savory sun-dried tomatoes, and nutrient-packed kale make a powerhouse breakfast. It’s hearty without feeling heavy. Perfect for those need-protein-now mornings.

Ingredients:

• 10 large eggs
• 1/3 cup unsweetened almond milk
• 12 oz lean ground turkey
• 2 cups chopped kale, stems removed
• 1/4 cup oil-packed sun-dried tomatoes, drained and chopped
• 1 cup shredded provolone or mozzarella
• 1/2 teaspoon Italian seasoning
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 1 tablespoon olive oil

Instructions:

1. Preheat oven to 375°F. Grease a 9×13-inch dish.
2. Sauté turkey with Italian seasoning until cooked through. Add kale; cook 1–2 minutes until wilted.
3. Spread turkey-kale mixture and sun-dried tomatoes in dish. Sprinkle half the cheese.
4. Whisk eggs, almond milk, salt, and pepper. Pour over; top with remaining cheese.
5. Bake 28–32 minutes until set. Cool before slicing.

Serve with hot sauce or a spoonful of ricotta. Swap kale for spinach if that’s what’s in your fridge—no judgment.

Nutrition (per serving, 8 servings; approx. 1/8 of pan): Calories: 228 | Total Fat: 14g | Total Carbs: 3g | Dietary Fiber: 1g | Net Carbs: 2g | Protein: 21g. Values are estimates and can vary.

11. Caprese-Inspired Egg Bake With Basil Pesto Swirls

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Everything you love about a Caprese salad, turned breakfast. Creamy mozzarella, juicy tomatoes, and fragrant basil pesto make this bright and craveable. It reheats like a champ.

Ingredients:

• 9 large eggs
• 1/3 cup heavy cream
• 1 cup cherry tomatoes, halved
• 1 cup fresh mozzarella pearls (or diced)
• 2 tablespoons basil pesto
• 1 tablespoon grated Parmesan
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• Olive oil spray

Instructions:

1. Heat oven to 375°F. Spray an 8×11-inch dish.
2. Whisk eggs, cream, salt, and pepper. Stir in Parmesan.
3. Add tomatoes and mozzarella to dish. Pour eggs over.
4. Dollop pesto on top and swirl gently with a knife.
5. Bake 25–28 minutes until set with light golden spots.

Finish with fresh basil and a drizzle of balsamic glaze if you’re feeling extra. Sub pesto with olive tapenade for a briny twist.

Nutrition (per serving, 6 servings; approx. 1/6 of pan): Calories: 246 | Total Fat: 19g | Total Carbs: 3g | Dietary Fiber: 0.5g | Net Carbs: 2.5g | Protein: 16g. Values are estimates and can vary.

12. Everything Bagel Egg Bake (Minus The Bagel)

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All the iconic everything bagel flavors—sesame, poppy, onion, and garlic—without the carb-heavy bagel. Creamy cream cheese pockets make every bite feel indulgent. It’s brunch magic with zero toasting required.

Ingredients:

• 10 large eggs
• 1/3 cup half-and-half
• 4 oz cream cheese, cut into small cubes
• 1 cup shredded cheddar or Colby Jack
• 2 tablespoons everything bagel seasoning
• 1/4 cup chopped green onion
• 1/2 teaspoon kosher salt
• Nonstick spray

Instructions:

1. Preheat oven to 375°F. Spray a 9×9-inch dish.
2. Whisk eggs, half-and-half, salt, and 1 tablespoon everything seasoning.
3. Add cheddar and green onion to the dish. Pour in egg mixture. Dot cream cheese cubes evenly.
4. Sprinkle remaining everything seasoning on top.
5. Bake 25–30 minutes until set and lightly puffed. Rest 5 minutes.

Serve with smoked salmon and cucumber slices to really lean in. Add a smear of cream cheese on top for extra decadence—because why not?

Nutrition (per serving, 6 servings; approx. 1/6 of pan): Calories: 287 | Total Fat: 23g | Total Carbs: 3g | Dietary Fiber: 1g | Net Carbs: 2g | Protein: 17g. Values are estimates and can vary.

Meal prep tips: Let casseroles cool fully before slicing so they hold shape. Store slices in airtight containers 4 days in the fridge or 2–3 months in the freezer. Reheat in the microwave or air fryer until warm and happy.

Ready to make mornings wildly easier? Pick a pan, bake it up, and enjoy a week of low carb deliciousness that doesn’t feel like a compromise. Your coffee just found its perfect match.

Nutrition Disclaimer: All nutrition numbers are estimates based on standard USDA data and common products. Actual values will vary by brand, ingredient substitutions, and portion sizes.