Spinach Bacon and Mushroom Breakfast Casserole


5 from 6 votes
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This Spinach Bacon and Mushroom Breakfast Casserole is a delicious family favorite! Breakfast Casserole recipes are easy to make ahead and so perfect for weekends and holidays! 

Breakfast casserole recipes have always been some of my favorite recipes. Nothing fills my family up and keeps them going like a delicious breakfast casserole. They definitely satisfy hungry appetites!

One of my favorites is this Spinach Bacon and Mushroom Breakfast Casserole . It is some kind of yummy. It’s a must-make around here.

How to Make Spinach Bacon and Mushroom Breakfast Casserole


Start with eggs. Imagine that.


Aren’t they pretty? Give them a quick whisk.


Grab some bacon and cook it until it’s just the way you like it — extra crispy or a little flimsy. Your choice.

Rough chop the bacon and throw it in with eggs.


Chop up about two cups of mushrooms and toss with the eggs.


Next goes in chopped spinach. I love spinach, so I used about 3 cups.


Pour in 1/2 cup of melted butter.


Throw in a cup of shredded sharp cheddar cheese. Give it a quick mix.


Pour into a 9×13 casserole dish that has been sprayed with non-stick cooking spray.

Bake for about 30 minutes on 350 degrees.


Remove from oven and let stand for about five minutes. Serve warm and enjoy.

Make Ahead Spinach Bacon and Mushroom Breakfast Casserole

This makes an excellent make-ahead meal!

Quick Mornings
Mix all ingredients and pour into casserole dish. Place in refrigerator overnight and pull out next morning for a hearty breakfast.

Freezer Meals
Make casserole per instructions and allow to cool completely. Wrap dish tightly in foil and place in freezer. For cooking, remove from freezer and allow to thaw in refrigerator overnight. Then, remove foil and warm in microwave for approximately five minutes.

Spinach Bacon and Mushroom Breakfast Casserole

5 from 6 votes
This Spinach Bacon and Mushroom Breakfast Casserole is a delicious family favorite! Breakfast Casserole recipes are easy to make ahead and so perfect for weekends and holidays! 
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes
Servings: 8


  • 9 large eggs
  • 6 pieces bacon, cooked and chopped
  • 2 cups chopped portabello mushrooms
  • 3 cups spinach
  • 1/2 cup butter, melted
  • 1 cup grated cheese


  • Spray 9×13 casserole dish with non-stick cooking spray.
  • Preheat oven to 350 degrees.
  • Whisk eggs and toss in bacon, mushrooms, spinach, butter and cheese. Mix well.
  • Pour into casserole and bake for 30 minutes.
  • Remove from oven and allow to stand for five minutes. Serve warm.


Calories: 316kcal | Carbohydrates: 2g | Protein: 13g | Fat: 28g | Saturated Fat: 14g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 9g | Trans Fat: 1g | Cholesterol: 265mg | Sodium: 384mg | Potassium: 266mg | Fiber: 1g | Sugar: 1g | Vitamin A: 1861IU | Vitamin C: 3mg | Calcium: 147mg | Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Robyn xo

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About Robyn

Robyn Stone is a cookbook author, wife, mom, and passionate home cook. Her tested and trusted recipes give readers the confidence to cook recipes the whole family will love. Robyn has been featured on Food Network, People, Southern Living, and more.

5 from 6 votes (1 rating without comment)

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Recipe Review


  1. Maggie says:

    5 stars
    Here’s what baffles me.
    Prep time – 10 minutes.
    Chop 3 cups of spinach, chop 2 cups of mushrooms, cook and chop 6 slices of bacon, grate 1 cup of cheese, etc. Not just this recipe – almost all of them.

    If whisking and mixing and spraying and pouring is the 10 minutes, what exactly do you call the labor intensive stuff, you know, when you’re not a master chopper, grater like Rachel Ray?

    It would just help novice cooks if you guys could give it a name. And also a time for it (for amateurs).

    1. Robyn Stone says:

      Maggie, prep time in a recipe considers that the chopping, measuring, etc. have been done and the ingredients are at the level described in the recipe ingredient list. Prep time just figures the time it takes to follow the steps in the recipe instructions. While it may take you 30 minutes to prep the ingredients, someone else may take 45 minutes or 20 minutes to prep.

  2. Carol Van Ess says:

    I don’t like mushrooms but I like that your recipe uses fresh spinach. If I replace the mushrooms with a red bell pepper will it still turn out?

    1. Robyn Stone says:

      I’ve never made it that way, Carol, but let me know how it turns out. Thanks! xo

  3. Beverly L Turner says:

    5 stars
    I made this but omitted the butter cause i forgot… It was so easy and delicious!!

    1. Robyn Stone says:

      So glad you enjoyed it, Beverly! xo

  4. Lynn Cornish says:

    This is the first egg casserole I found that doesn’t call for milk. I just want to verify that milk is not required.

    1. Beverly L Turner says:

      no it’s not