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21 Hearty Breakfast Egg-Casserole Recipes for New Year That Feed Many

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Introduction

Breakfast egg casseroles are perfect for New Year mornings when you want to feed a crowd without standing over the stove. You can prep them ahead, slide them into the oven, and let rich layers of eggs, cheese, veggies, and meats bake into pure comfort. This roundup gives you hearty, shareable casseroles that are simple to assemble and easy to scale for bigger groups.

1. Classic Cheddar & Sausage Breakfast Egg Casserole

A timeless brunch casserole with familiar flavors everyone recognizes.

Ingredients

  • 12 large eggs
  • 2 cups whole milk
  • 1 lb breakfast sausage, cooked and crumbled
  • 2 cups shredded cheddar cheese
  • 8 slices sandwich bread, cubed
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread bread cubes evenly in the dish.
  3. Scatter cooked sausage and 1 1/2 cups cheddar over the bread.
  4. Whisk eggs, milk, salt, and pepper in a large bowl.
  5. Pour egg mixture over the bread and sausage.
  6. Top with remaining cheddar.
  7. Bake at 350°F (176°C) for 40–45 minutes, until the center is set.
  8. Let rest 10 minutes before slicing.

How to Serve It
 Sprinkle chopped parsley on top and serve with hot sauce on the side.

2. Veggie-Packed Spinach & Bell Pepper Egg Casserole

A vibrant, veggie-forward bake that still feels comforting and rich.

Ingredients

  • 10 large eggs
  • 1 1/2 cups half-and-half
  • 1 cup shredded mozzarella
  • 1 cup diced red bell pepper
  • 1 cup diced yellow bell pepper
  • 2 cups fresh spinach, chopped
  • 1/2 tsp garlic powder
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread peppers and spinach evenly in the dish.
  3. Sprinkle mozzarella over the vegetables.
  4. In a bowl, whisk eggs, half-and-half, garlic powder, salt, and pepper.
  5. Pour egg mixture over the vegetables and cheese.
  6. Bake at 375°F (190°C) for 35–40 minutes, until lightly browned and firm in the center.
  7. Cool for 5–10 minutes before slicing.

How to Serve It
 Top with extra spinach and serve with salsa or sliced avocado.

3. Ham, Swiss & Hash Brown Breakfast Casserole

A hearty casserole that combines hash browns, ham, and creamy eggs.

Ingredients

  • 4 cups frozen shredded hash browns, thawed
  • 1/4 cup melted butter
  • 2 cups diced cooked ham
  • 2 cups shredded Swiss cheese
  • 10 large eggs
  • 2 cups milk
  • 1 tsp onion powder
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Toss hash browns with melted butter, then press firmly into the bottom of the dish.
  3. Bake crust at 400°F (204°C) for 15 minutes.
  4. Spread diced ham and 1 1/2 cups cheese over the crust.
  5. Whisk eggs, milk, onion powder, salt, and pepper.
  6. Pour over the ham and hash browns.
  7. Top with remaining cheese.
  8. Bake at 350°F (176°C) for 35–40 minutes, until the center is set and the top is golden.

How to Serve It
 Serve with grainy mustard or a simple side salad for balance.

4. New Year Veggie Frittata-Style Casserole

This frittata-style bake is loaded with bright vegetables and tangy cheese.

Ingredients

  • 12 large eggs
  • 1 1/4 cups milk
  • 1 cup crumbled feta
  • 1 1/2 cups chopped broccoli florets
  • 1 cup halved cherry tomatoes
  • 1 small red onion, thinly sliced
  • 1 tsp dried oregano
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread broccoli, tomatoes, and onions evenly in the dish.
  3. Sprinkle feta over the vegetables.
  4. Whisk eggs, milk, oregano, salt, and pepper.
  5. Pour mixture over the vegetables and feta.
  6. Bake at 375°F (190°C) for 30–35 minutes, until puffed and set.
  7. Rest for 10 minutes before slicing.

How to Serve It
 Drizzle with a touch of olive oil and garnish with fresh oregano leaves.

5. Bacon, Potato & Cheddar Egg Bake

A smoky, cheesy casserole that feels like a full breakfast in one pan.

Ingredients

  • 8 large eggs
  • 2 cups milk
  • 3 cups frozen diced potatoes, thawed
  • 8 slices bacon, cooked and crumbled
  • 2 cups shredded cheddar cheese
  • 1 tsp smoked paprika
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread potatoes evenly in the dish.
  3. Sprinkle bacon and 1 1/2 cups cheddar on top.
  4. Whisk eggs, milk, paprika, salt, and pepper.
  5. Pour mixture over the potato layer.
  6. Top with remaining cheddar.
  7. Bake at 350°F (176°C) for 40–45 minutes, until the top is browned and the center is firm.
  8. Let stand 10 minutes before cutting.

How to Serve It
 Serve with chopped green onions and a dollop of sour cream.

6. Everything-Bagel Egg Casserole

This casserole delivers all the flavors of an everything bagel in sliceable form.

Ingredients

  • 6 everything bagels, cut into 1-inch cubes
  • 8 oz cream cheese, cubed
  • 10 large eggs
  • 2 1/2 cups milk
  • 1 cup shredded mozzarella
  • 2 tbsp everything bagel seasoning
  • 1 tsp salt

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread bagel cubes evenly in the dish.
  3. Dot with cream cheese and sprinkle mozzarella on top.
  4. Whisk eggs, milk, salt, and 1 tbsp bagel seasoning.
  5. Pour over the bagel mixture.
  6. Sprinkle remaining seasoning on top.
  7. Bake at 350°F (176°C) for 40–45 minutes, until puffed and golden.
  8. Cool 10 minutes before slicing.

How to Serve It
 Serve with smoked salmon, sliced tomatoes, and red onion on the side.

7. Southwest Black Bean & Corn Egg Casserole

A bold, Southwest-inspired casserole that’s full of color and flavor.

Ingredients

  • 12 large eggs
  • 2 cups milk
  • 1 can black beans, rinsed and drained
  • 1 cup corn kernels
  • 1 cup diced red bell pepper
  • 2 cups shredded Monterey Jack cheese
  • 1 tsp chili powder
  • 1 tsp cumin
  • 1 tsp salt

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread black beans, corn, and bell pepper evenly in the dish.
  3. Sprinkle 1 1/2 cups cheese over the vegetables.
  4. Whisk eggs, milk, chili powder, cumin, and salt.
  5. Pour egg mixture over the vegetables.
  6. Top with remaining cheese.
  7. Bake at 375°F (190°C) for 35–40 minutes, until set and slightly browned.
  8. Rest for 10 minutes.

How to Serve It
 Top with chopped cilantro and serve with salsa and sliced avocado.

8. New Year Sausage, Apple & Cheddar Egg Bake

Savory sausage and sweet apple come together in this cozy breakfast bake.

Ingredients

  • 10 large eggs
  • 2 cups milk
  • 1 lb sausage, cooked and crumbled
  • 2 medium apples, peeled and diced
  • 2 cups shredded sharp cheddar
  • 1 tsp dried thyme
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread cooked sausage and diced apples evenly.
  3. Sprinkle cheddar on top.
  4. Whisk eggs, milk, thyme, salt, and pepper.
  5. Pour over sausage and apples.
  6. Bake at 350°F (176°C) for 35–40 minutes, until the center is set.
  7. Let rest 10 minutes.

How to Serve It
 Garnish with fresh thyme and serve alongside simple greens.

9. Mushroom, Gruyère & Herb Breakfast Casserole

Earthy mushrooms and nutty Gruyère give this casserole a cozy flavor.

Ingredients

  • 10 large eggs
  • 2 cups half-and-half
  • 2 cups sliced mushrooms
  • 1 small onion, diced
  • 2 cups shredded Gruyère cheese
  • 2 tbsp butter
  • 1 tsp dried thyme
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Melt butter in a skillet and cook mushrooms and onion until softened.
  2. Grease a 9×13-inch baking dish.
  3. Spread mushroom mixture in the dish.
  4. Sprinkle Gruyère on top.
  5. Whisk eggs, half-and-half, thyme, salt, and pepper.
  6. Pour over mushrooms and cheese.
  7. Bake at 350°F (176°C) for 35–40 minutes, until set and lightly browned.
  8. Cool for 10 minutes.

How to Serve It
 Garnish with chopped chives and serve with crusty bread.

10. Tater Tot Breakfast Egg Casserole

Crispy tater tots form a fun topping over a cheesy egg base.

Ingredients

  • 8 large eggs
  • 2 cups milk
  • 1 lb cooked breakfast sausage, crumbled
  • 2 cups shredded cheddar cheese
  • 1 bag (about 32 oz) frozen tater tots
  • 1 tsp garlic powder
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread sausage evenly in the dish and sprinkle cheese over it.
  3. Whisk eggs, milk, garlic powder, salt, and pepper.
  4. Pour over sausage and cheese.
  5. Arrange tater tots in a single layer on top.
  6. Bake at 375°F (190°C) for 40–45 minutes, until the eggs are set and tots are crisp.
  7. Cool slightly before cutting.

How to Serve It
 Finish with sliced green onions and serve with ketchup or hot sauce.

11. Caramelized Onion & Goat Cheese Egg Casserole

Sweet caramelized onions pair beautifully with tangy goat cheese.

Ingredients

  • 10 large eggs
  • 1 1/2 cups milk
  • 2 large onions, thinly sliced
  • 2 tbsp butter
  • 5 oz goat cheese, crumbled
  • 1 tsp dried rosemary
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Cook onions in butter over medium-low heat for 20–25 minutes until deeply golden.
  2. Grease a 9×13-inch baking dish.
  3. Spread caramelized onions in the dish.
  4. Sprinkle goat cheese over onions.
  5. Whisk eggs, milk, rosemary, salt, and pepper.
  6. Pour over onions and cheese.
  7. Bake at 350°F (176°C) for 30–35 minutes, until set.
  8. Let stand 10 minutes.

How to Serve It
 Garnish with fresh rosemary and serve with a simple green salad.

12. Broccoli, Cheddar & Egg Breakfast Bake

A classic combination of broccoli and cheddar in a shareable egg bake.

Ingredients

  • 10 large eggs
  • 2 cups milk
  • 3 cups small broccoli florets, lightly steamed
  • 2 cups shredded cheddar cheese
  • 1 tsp garlic powder
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread broccoli evenly in the dish.
  3. Sprinkle cheddar on top.
  4. Whisk eggs, milk, garlic powder, salt, and pepper.
  5. Pour over the broccoli and cheese.
  6. Bake at 375°F (190°C) for 30–35 minutes, until golden and set.
  7. Cool for 5–10 minutes.

How to Serve It
 Top with extra cheddar and a sprinkle of paprika before serving.

13. New Year Mediterranean Egg Casserole

Mediterranean flavors bring brightness and freshness to this egg bake.

Ingredients

  • 12 large eggs
  • 2 cups milk
  • 2 cups fresh spinach, chopped
  • 1 cup cherry tomatoes, halved
  • 1/2 cup sliced black olives
  • 1 cup crumbled feta
  • 1 tsp dried oregano
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread spinach, tomatoes, and olives evenly in the dish.
  3. Sprinkle feta on top.
  4. Whisk eggs, milk, oregano, salt, and pepper.
  5. Pour over vegetables and cheese.
  6. Bake at 375°F (190°C) for 30–35 minutes, until set and lightly browned.
  7. Rest 10 minutes before slicing.

How to Serve It
 Drizzle with a small amount of olive oil and garnish with extra oregano.

14. Chorizo & Pepper Jack Breakfast Egg Casserole

Spiced chorizo and pepper jack bring a gentle kick to this hearty dish.

Ingredients

  • 10 large eggs
  • 2 cups milk
  • 1 lb chorizo, cooked and crumbled
  • 1 cup diced red bell pepper
  • 2 cups shredded pepper jack cheese
  • 1 tsp cumin
  • 1 tsp smoked paprika
  • 1 tsp salt

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread chorizo and bell pepper evenly.
  3. Sprinkle 1 1/2 cups cheese over the top.
  4. Whisk eggs, milk, cumin, smoked paprika, and salt.
  5. Pour over chorizo and peppers.
  6. Add remaining cheese on top.
  7. Bake at 350°F (176°C) for 35–40 minutes, until set.
  8. Let rest 10 minutes.

How to Serve It
 Top with cilantro and serve with sour cream and salsa.

15. New Year French Toast Egg Casserole

This sweet egg casserole tastes like French toast made for a crowd.

Ingredients

  • 1 loaf brioche or challah, cut into 1-inch cubes
  • 10 large eggs
  • 3 cups milk
  • 1/2 cup maple syrup
  • 2 tsp cinnamon
  • 1 tsp vanilla extract
  • 1/2 tsp salt

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Add bread cubes evenly to the dish.
  3. Whisk eggs, milk, maple syrup, cinnamon, vanilla, and salt.
  4. Pour over the bread and gently press to soak.
  5. Let rest 20–30 minutes or chill overnight.
  6. Bake at 350°F (176°C) for 40–45 minutes, until puffed and golden.
  7. Cool slightly.

How to Serve It
 Dust with powdered sugar and serve with warm maple syrup.

16. New Year Garden Herb Egg Casserole with Potatoes

This casserole combines tender potatoes, herbs, and eggs for a simple, filling dish.

Ingredients

  • 10 large eggs
  • 2 cups milk
  • 3 cups diced cooked potatoes
  • 1 cup shredded mozzarella
  • 1/4 cup chopped parsley
  • 1 tbsp chopped chives
  • 1 tsp garlic powder
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread potatoes evenly in the dish.
  3. Sprinkle mozzarella and herbs on top.
  4. Whisk eggs, milk, garlic powder, salt, and pepper.
  5. Pour over the potato layer.
  6. Bake at 375°F (190°C) for 35–40 minutes, until the center is set.
  7. Let stand 10 minutes.

How to Serve It
 Garnish with extra chives and serve with a side of roasted tomatoes.

17. Prosciutto, Arugula & Parmesan Egg Bake

This casserole has a savory, café-style flavor with salty prosciutto and peppery greens.

Ingredients

  • 10 large eggs
  • 2 cups milk
  • 4 oz prosciutto, torn into pieces
  • 2 cups fresh arugula
  • 1 cup grated Parmesan
  • 1 tsp garlic powder
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread arugula in the dish.
  3. Sprinkle Parmesan and prosciutto pieces on top.
  4. Whisk eggs, milk, garlic powder, salt, and pepper.
  5. Pour over the arugula mixture.
  6. Bake at 350°F (176°C) for 30–35 minutes, until firm.
  7. Rest for 10 minutes.

How to Serve It
 Top with fresh arugula leaves and extra shaved Parmesan.

18. New Year Turkey Sausage & Sweet Potato Egg Casserole

A lighter take using turkey sausage and sweet potatoes for balanced comfort.

Ingredients

  • 10 large eggs
  • 2 cups milk
  • 1 lb turkey sausage, cooked and crumbled
  • 3 cups sweet potato cubes, roasted
  • 1 1/2 cups shredded cheddar
  • 1 tsp smoked paprika
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Roast sweet potatoes with a little oil at 400°F (204°C) for 20 minutes.
  2. Grease a 9×13-inch baking dish.
  3. Spread sweet potatoes and sausage in the dish.
  4. Sprinkle cheddar on top.
  5. Whisk eggs, milk, smoked paprika, salt, and pepper.
  6. Pour over sausage and potatoes.
  7. Bake at 350°F (176°C) for 35–40 minutes, until the center sets.
  8. Cool for 10 minutes.

How to Serve It
 Garnish with chopped parsley and serve with a small bowl of Greek yogurt on the side.

19. Caprese Breakfast Egg Casserole

Tomatoes, mozzarella, and basil give this casserole a bright Italian-style twist.

Ingredients

  • 10 large eggs
  • 2 cups milk
  • 2 cups cherry tomatoes, halved
  • 2 cups shredded mozzarella
  • 1/4 cup chopped fresh basil
  • 1 tsp garlic powder
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread cherry tomatoes evenly.
  3. Sprinkle mozzarella and basil on top.
  4. Whisk eggs, milk, garlic powder, salt, and pepper.
  5. Pour over tomato mixture.
  6. Bake at 375°F (190°C) for 30–35 minutes, until golden and set.
  7. Let rest 10 minutes.

How to Serve It
 Top with extra basil and a drizzle of balsamic glaze.

20. New Year Loaded Veggie & Feta Breakfast Bake

A colorful casserole filled with a variety of vegetables and tangy feta.

Ingredients

  • 12 large eggs
  • 2 cups milk
  • 1 cup diced zucchini
  • 1 cup diced red bell pepper
  • 1 cup diced yellow bell pepper
  • 1 cup chopped spinach
  • 1 cup crumbled feta
  • 1 tsp Italian seasoning
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Spread zucchini, peppers, and spinach evenly.
  3. Sprinkle feta over the vegetables.
  4. Whisk eggs, milk, Italian seasoning, salt, and pepper.
  5. Pour over the veggie mixture.
  6. Bake at 375°F (190°C) for 35–40 minutes, until set.
  7. Cool briefly before slicing.

How to Serve It
 Serve with a simple cucumber-tomato salad on the side.

21. New Year Overnight Egg & Cheese Strata

This overnight strata is ideal when you want to prep everything the night before.

Ingredients

  • 1 loaf crusty bread, cut into 1-inch cubes
  • 12 large eggs
  • 3 cups milk
  • 2 cups shredded cheddar or Gruyère
  • 1 cup diced ham or cooked bacon
  • 1 tsp Dijon mustard
  • 1 tsp garlic powder
  • 1 tsp salt
  • 1/2 tsp black pepper

Instructions

  1. Grease a 9×13-inch baking dish.
  2. Layer bread cubes, ham, and cheese in the dish.
  3. Whisk eggs, milk, mustard, garlic powder, salt, and pepper.
  4. Pour over the bread mixture, pressing gently to soak.
  5. Cover and refrigerate at least 4 hours or overnight.
  6. Remove from fridge 30 minutes before baking.
  7. Bake at 350°F (176°C) for 45–50 minutes, until puffed and set.
  8. Let rest 10–15 minutes.

How to Serve It
 Garnish with chopped chives and serve with fruit salad or a light green salad.

Conclusion

Breakfast egg casseroles make New Year mornings smoother by bringing big flavor to the table in just one or two pans. Pick a couple of these recipes, prep them ahead if you like, and let the oven handle the busy work while everyone gathers. Save this collection for holiday mornings, weekend brunches, or any time you want a hearty, shareable breakfast.

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