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25 Hearty Christmas Brunch Casseroles That Feed a Crowd

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Christmas Brunch Casseroles

Table of Contents

Introduction

Christmas morning calls for warm dishes that bring everyone together. These hearty brunch casseroles are perfect for feeding a full table without stress. From comforting classics to veggie-packed favorites, each one is simple, filling, and festive. Just mix, bake, and enjoy while the house fills with holiday aromas.

1. Cheesy Hash Brown Egg Casserole

Cheesy Hash Brown Egg Casserole

This cozy casserole combines crisp hash browns, soft eggs, and melted cheese into an easy crowd-pleaser.

Ingredients

  • 6 cups frozen hash browns
  • 8 large eggs
  • 1 cup shredded cheddar
  • 1 cup shredded mozzarella
  • 1 cup milk
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat oven to 375°F (190°C).
  2. Spread hash browns in a greased 9×13 dish.
  3. Whisk eggs, milk, and seasonings.
  4. Pour mixture over hash browns.
  5. Sprinkle both cheeses on top.
  6. Bake 40–45 minutes until set and golden.

How to Serve It

Top with fresh chives or parsley for color.

2. Spinach & Feta Breakfast Casserole

Spinach & Feta Breakfast Casserole

Bright, savory flavors make this an easy centerpiece for a holiday brunch.

Ingredients

  • 6 cups fresh spinach
  • 10 eggs
  • 1 cup feta
  • 1 cup milk
  • 1 cup diced onions
  • ½ tsp oregano
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat oven to 350°F (175°C).
  2. Sauté onions and spinach until wilted.
  3. Spread into a greased baking dish.
  4. Whisk eggs, milk, and seasonings.
  5. Pour over spinach, top with feta.
  6. Bake 35–40 minutes until fluffy.

How to Serve It

Serve warm with cherry tomatoes on the side.

3. Broccoli Cheddar Brunch Bake

Broccoli Cheddar Brunch Bake

A cheesy, comforting classic that always satisfies a large table.

Ingredients

  • 4 cups broccoli florets
  • 8 eggs
  • 1½ cups shredded cheddar
  • 1 cup milk
  • 1 diced onion
  • ½ tsp garlic powder
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat to 375°F (190°C).
  2. Steam broccoli until tender.
  3. Spread in a greased 9×13 pan.
  4. Whisk eggs, milk, and spices.
  5. Pour over broccoli and top with cheddar.
  6. Bake 40 minutes until melted and set.

How to Serve It

Sprinkle with chopped green onions.

4. Mushroom & Swiss Egg Bake

Mushroom & Swiss Egg Bake

Earthy and rich, perfect for a cozy morning meal.

Ingredients

  • 4 cups sliced mushrooms
  • 1 cup shredded Swiss
  • 8 eggs
  • 1 cup milk
  • 1 tsp thyme
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat oven to 350°F (175°C).
  2. Sauté mushrooms until browned.
  3. Spread into a greased dish.
  4. Whisk eggs, milk, and seasonings.
  5. Pour over mushrooms and top with Swiss.
  6. Bake 35–40 minutes.

How to Serve It

Pair with warm rolls or toast.

5. Veggie Supreme Christmas Casserole

Veggie Supreme Christmas Casserole

Packed with veggies, this dish is bright, hearty, and full of texture.

Ingredients

  • 1 cup diced red peppers
  • 1 cup diced green peppers
  • 1 cup diced onion
  • 2 cups spinach
  • 10 eggs
  • 1 cup shredded mozzarella
  • 1 cup milk
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat to 375°F (190°C).
  2. Sauté veggies until softened.
  3. Spread in a greased baking dish.
  4. Whisk eggs, milk, and seasoning.
  5. Pour over veggies and top with cheese.
  6. Bake 40 minutes until golden.

How to Serve It

Add sliced green onions before serving.

6. Potato, Egg & Herb Casserole

Potato, Egg & Herb Casserole

Simple, hearty, and perfect for feeding a large holiday crowd.

Ingredients

  • 4 cups diced potatoes
  • 10 eggs
  • 1 cup shredded cheddar
  • 1 cup milk
  • 1 tbsp fresh parsley
  • ½ tsp garlic powder
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat to 375°F (190°C).
  2. Boil potatoes until tender.
  3. Spread in a greased dish.
  4. Whisk eggs, milk, and spices.
  5. Pour over potatoes, top with cheese.
  6. Bake 40 minutes until set.

How to Serve It

Finish with fresh parsley.

7. Tomato Basil Breakfast Casserole

Tomato Basil Breakfast Casserole

Fresh and aromatic, this dish brings classic flavors to the holiday table.

Ingredients

  • 2 cups cherry tomatoes
  • 8 eggs
  • 1 cup shredded mozzarella
  • 1 cup milk
  • ½ cup basil
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat to 350°F (175°C).
  2. Roast tomatoes for 10 minutes.
  3. Place in a greased dish.
  4. Whisk eggs, milk, and spices.
  5. Pour over tomatoes; top with cheese.
  6. Bake 35–40 minutes.

How to Serve It

Add fresh basil before serving.

8. Cheddar & Green Onion Egg Bake

Cheddar & Green Onion Egg Bake

A simple, cheesy brunch choice that always gets compliments.

Ingredients

  • 10 eggs
  • 1½ cups shredded cheddar
  • 1 cup milk
  • ½ cup sliced green onions
  • ½ tsp garlic powder
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat oven to 375°F (190°C).
  2. Whisk eggs, milk, and spices.
  3. Pour into a greased dish.
  4. Top with cheddar and green onions.
  5. Bake 35–40 minutes.

How to Serve It

Serve with sour cream or chives.

9. Zesty Pepper & Egg Casserole

Zesty Pepper & Egg Casserole

Bright peppers bring flavor and a festive look to the table.

Ingredients

  • 1 cup red pepper
  • 1 cup green pepper
  • 1 cup yellow pepper
  • 10 eggs
  • 1 cup shredded cheddar
  • 1 cup milk
  • ½ tsp paprika
  • ½ tsp salt

Instructions

  1. Preheat to 375°F (190°C).
  2. Sauté peppers until soft.
  3. Spread in a greased dish.
  4. Combine eggs, milk, and spices.
  5. Pour over peppers and top with cheese.
  6. Bake 40 minutes.

How to Serve It

Add chopped herbs for color.

10. Garlic Mushroom Breakfast Bake

Garlic Mushroom Breakfast Bake

Garlic and mushrooms create a deep, comforting flavor perfect for a winter brunch.

Ingredients

  • 4 cups sliced mushrooms
  • 1 tbsp minced garlic
  • 8 eggs
  • 1 cup Swiss cheese
  • 1 cup milk
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat to 350°F (175°C).
  2. Sauté garlic and mushrooms.
  3. Spread into a greased pan.
  4. Whisk eggs, milk, and spices.
  5. Pour over mushrooms; top with cheese.
  6. Bake 35–40 minutes.

How to Serve It

Sprinkle with chives before serving.

11. Florentine Egg Bake

Florentine Egg Bake

This dish is full of comforting spinach and creamy textures, perfect for a cozy winter brunch.

Ingredients

  • 5 cups fresh spinach
  • 1 cup diced onions
  • 10 eggs
  • 1 cup shredded mozzarella
  • 1 cup milk
  • ½ tsp garlic powder
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat oven to 350°F (175°C).
  2. Sauté spinach and onions until soft.
  3. Spread in a greased 9×13 dish.
  4. Whisk eggs, milk, and spices.
  5. Pour over spinach, top with mozzarella.
  6. Bake 35–40 minutes until set.

How to Serve It

Add fresh basil or parsley on top for brightness.

12. Garden Veggie Egg & Cheese Casserole

Garden Veggie Egg & Cheese Casserole

Packed with vegetables, this is a satisfying option for a lighter Christmas brunch.

Ingredients

  • 1 cup diced carrots
  • 1 cup diced peppers
  • 1 cup diced zucchini
  • 2 cups spinach
  • 10 eggs
  • 1½ cups shredded cheddar
  • 1 cup milk
  • ½ tsp salt
  • ½ tsp black pepper

Instructions

  1. Preheat to 375°F (190°C).
  2. Sauté veggies until tender.
  3. Spread in a greased baking dish.
  4. Mix eggs, milk, and seasonings.
  5. Pour over veggies; sprinkle cheddar.
  6. Bake 40 minutes.

How to Serve It

Garnish with chopped green onions.

13. Cheesy Potato & Broccoli Holiday Bake

Cheesy Potato & Broccoli Holiday Bake

A warm, filling combination of potatoes, broccoli, and golden cheese.

Ingredients

  • 3 cups diced potatoes
  • 3 cups broccoli florets
  • 10 eggs
  • 1½ cups cheddar
  • 1 cup milk
  • ½ tsp salt
  • ½ tsp garlic powder

Instructions

  1. Heat oven to 375°F (190°C).
  2. Cook potatoes until tender.
  3. Steam broccoli lightly.
  4. Spread both into a greased dish.
  5. Whisk eggs, milk, and seasonings.
  6. Pour over mixture and top with cheese.
  7. Bake 45 minutes.

How to Serve It

Top with parsley for fresh color.

14. Tomato, Spinach & Mozzarella Casserole

Tomato, Spinach & Mozzarella Casserole

Fresh, cheesy, and flavorful—an easy brunch option everyone enjoys.

Ingredients

  • 2 cups cherry tomatoes
  • 3 cups spinach
  • 1 cup mozzarella
  • 8 eggs
  • 1 cup milk
  • ½ tsp Italian seasoning
  • ½ tsp salt

Instructions

  1. Preheat oven to 350°F (175°C).
  2. Roast tomatoes 10 minutes.
  3. Sauté spinach lightly.
  4. Arrange both in a greased dish.
  5. Whisk eggs, milk, and seasoning.
  6. Pour over vegetables and top with mozzarella.
  7. Bake 35–40 minutes.

How to Serve It

Add fresh basil leaves for aroma.

15. Sweet Potato & Egg Brunch Bake

Sweet Potato & Egg Brunch Bake

Sweet potatoes bring a cozy sweetness that fits perfectly with Christmas flavors.

Ingredients

  • 4 cups cubed sweet potatoes
  • 8 eggs
  • 1 cup milk
  • 1 cup shredded cheddar
  • ½ tsp cinnamon
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat to 400°F (205°C).
  2. Roast sweet potatoes for 20 minutes.
  3. Spread in a greased dish.
  4. Whisk eggs, milk, and seasonings.
  5. Pour over potatoes; add cheese.
  6. Bake 35–40 minutes.

How to Serve It

Top with chopped pecans or herbs.

16. Mediterranean Spinach & Tomato Bake

Mediterranean Spinach & Tomato Bake

A refreshing, light dish with vibrant flavors perfect for a festive morning.

Ingredients

  • 2 cups diced tomatoes
  • 3 cups spinach
  • 1 cup crumbled feta
  • 8 eggs
  • 1 cup milk
  • ½ tsp oregano
  • ½ tsp salt

Instructions

  1. Preheat oven 350°F (175°C).
  2. Sauté spinach until wilted.
  3. Spread spinach and tomatoes in dish.
  4. Whisk eggs, milk, and spices.
  5. Pour over mixture and add feta.
  6. Bake 35 minutes.

How to Serve It

Sprinkle oregano or parsley.

17. Loaded Veggie & Cheese Brunch Bake

Loaded Veggie & Cheese Brunch Bake

Hearty and colorful, this casserole feeds a large group with ease.

Ingredients

  • 1 cup red peppers
  • 1 cup green peppers
  • 1 cup zucchini
  • 1 cup onion
  • 10 eggs
  • 1½ cups cheddar
  • 1 cup milk
  • ½ tsp paprika
  • ½ tsp salt

Instructions

  1. Preheat to 375°F (190°C).
  2. Sauté veggies until soft.
  3. Spread in greased pan.
  4. Whisk eggs, milk, paprika, and salt.
  5. Pour over veggies; top with cheddar.
  6. Bake 40 minutes.

How to Serve It

Serve with chopped parsley.

18. Herb & Cheese Holiday Egg Bake

Herb & Cheese Holiday Egg Bake

A simple herb-filled breakfast bake that suits any Christmas table.

Ingredients

  • 10 eggs
  • 1 cup milk
  • 1½ cups shredded cheddar
  • 1 tbsp parsley
  • 1 tsp thyme
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat oven 350°F (175°C).
  2. Whisk eggs, milk, herbs, and spices.
  3. Pour into greased dish.
  4. Sprinkle cheese on top.
  5. Bake 35–40 minutes.

How to Serve It

Add more herbs before serving.

19. Christmas Morning Potato & Veggie Bake

Christmas Morning Potato & Veggie Bake

Perfect for early mornings, this dish offers a hearty mix of flavors.

Ingredients

  • 3 cups diced potatoes
  • 1 cup carrots
  • 1 cup peas
  • 1 cup onion
  • 8 eggs
  • 1 cup cheddar
  • 1 cup milk
  • ½ tsp salt

Instructions

  1. Preheat to 375°F (190°C).
  2. Cook potatoes until tender.
  3. Sauté carrots, peas, and onion.
  4. Spread everything in a greased dish.
  5. Whisk eggs, milk, and salt.
  6. Pour over veggies; top with cheese.
  7. Bake 40 minutes.

How to Serve It

Serve with fresh herbs.

20. Red Pepper & Mozzarella Holiday Bake

Red Pepper & Mozzarella Holiday Bake

Mild, cheesy, and full of sweet pepper flavor—great for any Christmas brunch.

Ingredients

  • 2 cups red peppers
  • 8 eggs
  • 1 cup mozzarella
  • 1 cup milk
  • ½ tsp garlic powder
  • ½ tsp salt

Instructions

  1. Heat oven to 350°F (175°C).
  2. Sauté peppers until soft.
  3. Spread in baking dish.
  4. Combine eggs, milk, and garlic powder.
  5. Pour over peppers and add mozzarella.
  6. Bake 35–40 minutes.

How to Serve It

Top with basil or parsley.

21. Caramelized Onion & Herb Egg Bake

Caramelized Onion & Herb Egg Bake

Sweet onions make this simple casserole wonderfully comforting.

Ingredients

  • 3 cups sliced onions
  • 8 eggs
  • 1 cup Swiss cheese
  • 1 cup milk
  • 1 tsp thyme
  • ½ tsp salt
  • ½ tsp pepper

Instructions

  1. Preheat to 350°F (175°C).
  2. Slowly cook onions until caramelized.
  3. Spread in greased dish.
  4. Whisk eggs, milk, and thyme.
  5. Pour over onions, add cheese.
  6. Bake 35 minutes.

How to Serve It

Sprinkle fresh thyme leaves.

22. Roasted Veggie Holiday Breakfast Bake

Roasted Veggie Holiday Breakfast Bake

Roasted veggies add warm, rich flavor to this brunch favorite.

Ingredients

  • 1 cup carrots
  • 1 cup red peppers
  • 1 cup zucchini
  • 1 cup onion
  • 10 eggs
  • 1½ cups cheddar
  • 1 cup milk
  • ½ tsp salt

Instructions

  1. Preheat to 400°F (205°C).
  2. Roast veggies for 15 minutes.
  3. Arrange in greased dish.
  4. Mix eggs and milk with salt.
  5. Pour over veggies and top with cheddar.
  6. Bake 40 minutes.

How to Serve It

Top with chopped parsley.

23. Spinach & Ricotta Brunch Bake

Spinach & Ricotta Brunch Bake

Soft, cheesy ricotta pairs beautifully with spinach for a comforting dish.

Ingredients

  • 3 cups spinach
  • 1 cup ricotta
  • 8 eggs
  • 1 cup milk
  • ½ tsp pepper
  • ½ tsp salt

Instructions

  1. Preheat oven 350°F (175°C).
  2. Wilt spinach in a pan.
  3. Spread in greased dish and spoon ricotta over top.
  4. Whisk eggs, milk, and seasonings.
  5. Pour over spinach and ricotta.
  6. Bake 35–40 minutes.

How to Serve It

Add cracked pepper and fresh herbs.

24. Cheesy Cauliflower Breakfast Casserole

Cheesy Cauliflower Breakfast Casserole

A lighter twist on a comfort classic, packed with tender cauliflower.

Ingredients

  • 4 cups cauliflower florets
  • 8 eggs
  • 1½ cups cheddar
  • 1 cup milk
  • ½ tsp garlic powder
  • ½ tsp salt

Instructions

  1. Preheat to 400°F (205°C).
  2. Roast cauliflower 15 minutes.
  3. Spread in greased dish.
  4. Whisk eggs, milk, and seasonings.
  5. Pour over cauliflower and top with cheese.
  6. Bake 35–40 minutes.

How to Serve It

Garnish with chopped parsley.

25. Holiday Herb Potato Egg Bake

Holiday Herb Potato Egg Bake

Simple, hearty, and perfect for feeding a full holiday gathering.

Ingredients

  • 4 cups diced potatoes
  • 10 eggs
  • 1½ cups cheddar
  • 1 cup milk
  • 1 tbsp parsley
  • 1 tsp thyme
  • ½ tsp salt

Instructions

  1. Preheat oven 375°F (190°C).
  2. Cook potatoes until tender.
  3. Place in greased dish.
  4. Whisk eggs, milk, herbs, and salt.
  5. Pour over potatoes and top with cheddar.
  6. Bake 40–45 minutes until golden.

How to Serve It

Finish with more fresh herbs on top.

Conclusion

These Christmas brunch casseroles are easy to prepare, satisfying, and perfect for sharing with the people you love. Save your favorite recipes, try a new combination each year, and enjoy a warm, relaxed holiday morning filled with flavors everyone can appreciate.

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