Italian Egg Casserole

February 13, 2020
Loaded with mozzarella and Parmesan cheeses, sliced portabella mushrooms, fresh tomatoes, and sweet Italian sausage, Italian Egg Casserole delivers up tons of flavor in each and every bite.  It's an easy, low-fuss recipe that works for both breakfast or dinner.

Piece of Italian Egg Casserole Image

Are you on the hunt for easy morning and weeknight recipes that make mealtime low-fuss?  Then you're in the right place.

I know I am always  on the lookout for tasty, low-fuss recipes for all meals of the day.  Whether that be simple make-ahead breakfasts like our individual veggie quiche cups, or easy dinner recipes like our favorite 4-ingredient goulash or 15-minute easy supreme French bread pizza.  My arsenal of easy meals can never be full enough.
Loaded with mozzarella and Parmesan cheeses, sliced portabella mushrooms, fresh tomatoes, and sweet Italian sausage, Italian Egg Casserole delivers up tons of flavor in each and every bite.

And it just so happens that I have an easy casserole recipe to share today that works for both breakfast and dinner. --  This fabulously-cheesy and delicious Italian Egg Casserole.

It's one of our family-favorites and makes an appearance on our table quite frequently -- most often for dinner, but it's great for breakfast, lunch, or brunch, too.

Loaded with mozzarella and Parmesan cheeses, sliced portabella mushrooms, fresh tomatoes, and sweet Italian sausage, Italian Egg Casserole holds tons of flavor in each and every bite.

Italian Egg Casserole Ingredients Image

But not only is Italian Egg Casserole easy and delicious, it can also be assembled ahead of time -- making it the perfect make-ahead breakfast or dinner dish to get on the table easily come meal time.

Want a hearty hot breakfast but don't have a lot of extra time in the morning to cook?

Italian Egg Casserole can be assembled ahead of time -- making it the perfect make-ahead breakfast or dinner dish to get on the table easily come meal time.  

Assemble Italian Egg Casserole the night before, refrigerate overnight, and let it bake in the morning while you and the rest of the family get ready.

Want to have dinner on the table pretty quickly at night?

Put Italian Egg Casserole together in the morning or the night before.  Its deliciousness will be all ready to bake up and hit the table with little hands-on effort in the evening.

Italian Egg Casserole in Baking Dish Image

To whip up a pan, start by frying up some sweet or mild Italian sausage.  Both types taste fabulous in this casserole but our preference in this dish is the sweet variety.  The flavors goes very nicely with the casserole's mushrooms and tomatoes.

Then in the same pan, saute some chopped red onion and sliced portabella mushrooms until tender, about 3 to 5 minutes.

Mix the sausage, onions, and mushrooms with beaten eggs, a bunch of shredded mozzarella and Parmesan, some milk, and diced fresh tomato.  Bake in a 9x13-inch baking dish until the casserole is set, and then you're ready to serve it up.

Serving Italian Egg Casserole On a Spatula Image

So when you're looking for an easy morning & weeknight recipe that also gives make-ahead convenience, turn to this Italian Egg Casserole for a fabulously-cheesy and delicious dish the whole family will enjoy.

It delivers up fabulous flavor in every bite.

Check out these other fabulous breakfast casserole recipes:
Pan of Italian Egg Casserole Image
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egg casserole recipe, recipes with sweet Italian sausage, make ahead breakfast casserole, Italian egg casserole recipe
Main Dishes
Yield: about 8-10 servings

Italian Egg Casserole

Italian Egg Casserole

Loaded with mozzarella and Parmesan cheeses, sliced portabella mushrooms, fresh tomatoes, and sweet Italian sausage, Italian Egg Casserole delivers up tons of flavor in each and every bite. It's an easy, low-fuss recipe that works for both breakfast or dinner.
prep time: 15 Mcook time: 40 Mtotal time: 55 M


  • 16 oz. sweet or mild Italian sausage
  • 1 T. butter
  • 1/2 of a medium-sized red onion, chopped
  • 8 oz. sliced baby portabella mushrooms
  • 12 eggs, beaten
  • 1 c. milk
  • 1/2 tsp. Italian seasoning
  • 1/2 tsp. salt
  • 1/2 tsp. black pepper
  • 8 oz. (2 cups) shredded mozzarella cheese
  • 1/3 c. shredded Parmesan cheese
  • 2 medium-sized tomatoes, chopped
  • 1 T. chopped fresh parsley {optional}


How to cook Italian Egg Casserole

  1. Remove sausage from casings. In a skillet over medium-high heat, cook sausage until cooked through and crumbly. Drain and set aside.
  2. Wipe skillet with a paper towel to remove sausage drippings. Add butter to skillet and melt over medium heat. Add onion and mushrooms; cook until tender, about 3 to 4 minutes.
  3. In a large bowl, whisk together eggs, milk, Italian seasoning, salt, and pepper. Add sausage, onions, and mushrooms. Stir in mozzarella, Parmesan, and tomatoes.
  4. Pour egg mixture into a 13x9" baking pan coated with non-stick cooking spray. Bake, uncovered, at 400 degrees until set and a bit puffed in the center, about 35 - 40 minutes.
  5. Remove from oven and let stand 5 minutes before serving. Sprinkle top with chopped parsley.
  1. Italian Egg Casserole may be prepared the night before, refrigerated over night, and baked the next morning. Increase baking time to 45 - 50 minutes.
Created using The Recipes Generator

This post is linked with Weekend Potluck, Meal Plan Monday.


  1. That egg casserole looks delicious and the casserole pan is beautiful!

  2. This looks so easy and yummy to make for the kids for back to school to get them a good start to their day! I will be making this one and looking on their site for more delicious recipes! Thank you for sharing and a chance to win!

  3. That looks wonderful! I would love to have that for breakfast!

  4. The casserole looks delicious. I think I'll save the recipe for Christmas morning brunch with my family. Thank you!

  5. Love egg and cheese dishes, this would be good for brunch or dinner.

  6. Oh my lanta! I want to make this ASAP and that casserole dish is to die for!

  7. Ohh I would love to make this casserole in such a beautiful casserole dish!

  8. This casserole looks delicious! And would look so good in that beautiful dish!

  9. Thanks for another great looking recipe and a chance to win the casserole dish.

  10. The casserole looks so good! I love egg casseroles. Thanks for the chance to win a beautiful baking dish. The color is so pretty.

  11. I LOVE cheese so I'll have to try this cheese sometime! And make this casserole with it, of course :) Thanks for the awesome giveaway!!

  12. I'm going to try this recipe ASAP. It looks great!

  13. I have always wanted a Le Creuset and the color is awesome. Casseroles here we come!

  14. Beautiful recipe, beautiful dish! A perfect fit...thanks so much for sharing the recipe, and for the chance to win!

  15. I would love to have one these for a casserole or lasgna - shaunie

  16. Oooh, new brunch idea! Looks awesome.

  17. oh my world this looks amazing!!! I can't wait to make it for my family!!!

  18. I like the idea of this Italian casserole. I usually make a quiche with ham, mushrooms and broccoli, but this looks great! I never thought of adding tomatoes. I like the blue of the giveaway dish, and the smaller size is better for just the 3 of us.

  19. Loving this Italian version!! I'd love to win that dish too!! Thanks!

  20. Wow! This casserole looks amazing! I'm printing to make this weekend. Thank you for the wonderful giveaway.
    ErinLoves2Run at gmail dot com

  21. Love an easy cheesy casserole and would love to WIN too!

  22. Loving this egg casserole! My fam would love this for dinner or for breakfast! I might need that dish to make it in though... :)

  23. Oh I love a good savory dish for breakfast - too often we have a bunch of sugary items filling the breakfast meal. Pinning this one!

  24. Sounds delicious!! Pinning to try for dinner! Thank you!

  25. This is such a wonderful dish. A great one with protein and veggies. The dish would make a wonderful presentation for amy meal.

  26. The recipe looks yummy! Thanks for the chance! :)

  27. This casserole that you have on your blog looks like it would be so delicious!

  28. I've just pinned this recipe....looks delicious! I know this is something my family will love.

  29. this looks delicious! Thanks for sharing

  30. This casserole looks delicious!


    1. K um YUM. This looks like an amazing weekend brunch dish! Love the egg creation AND that pretty blue casserole dish!

  31. Great looking casserole, I'd love to bake up some French Toast in that dish!
    jlammers002 at woh dot rr dot com.

  32. This looks so yummy! I make omelettes for dinner sometimes, and this is like level UP! The parmesan cheese will definitely add a nice dinner flavor. Thanks!

  33. Great for breakfast, brunch and dinner!

  34. This recipe looks delicious. Thanks for the giveaway!

  35. I'll have to try this one, especially if I win that dish!

  36. I love egg casseroles, we will definitely have to try this one. And I love my Le Creuset roasting dish, I know I would use a 9x13 so much.

  37. I have never had an egg casserole although I do love eggs.. The portabella mushrooms , sausages and cheeses makes it sound and look so delicious!

  38. Oh this is making my mouth water!!! I'm definitely pinning this! Thanks for sharing on Full Plate Thursday link up :)

  39. This recipe sounds delicious and the dish would make for a beautiful presentation! I can't wait to make it, thank you for sharing!

  40. This casserole looks delicious and it is a nice change from the ordinary egg casserole. Thanks

  41. Perfect! Just cracked my dish this size!

  42. Without a doubt, I must make this dish. Why??? Because its looks amazing, and my mouth is watering for it. Yummy!

  43. This is a delicious Italian Egg Cassrole, it looks amazing! Hope you are having a really good week and thanks so much for sharing with us at Full Plate Thursday!
    Miz Helen

  44. Sounds like a delicious combination of flavors! Thanks so much for linking up with us at The Blogger's Pit Stop!

  45. Can I just say what a relief to find someone who actually knows what theyre talking about on the internet. You definitely know how to bring an issue to light and make it important. More people need to read this and understand this side of the story. I cant believe youre not more popular because you definitely have the gift.

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  46. Your breakfast casserole looks delicious! Thanks for sharing with us at the Snickerdoodle Link Party! This will be one of my features this Saturday!

  47. Beautiful casserole - great for any meal! Thanks for sharing at the What's for Dinner party!

  48. Can this casserole be frozen and reheated successfully?


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