Egg and Cheese Casserole Recipe with Feta, Spinach, Mushrooms, Peppers, and Tomatoes (The Kids Cook Monday) - Andrea Meyers (2024)

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Egg and Cheese Casserole Recipe with Feta, Spinach, Mushrooms, Peppers, and Tomatoes (The Kids Cook Monday) - Andrea Meyers (1)

Egg and Cheese Casserole Recipe with Feta, Spinach, Mushrooms, Peppers, and Tomatoes (The Kids Cook Monday) - Andrea Meyers (2)My boys and I enjoy having breakfast for dinner. I’ll occasionally whip up pancakes or waffles in the evening, but mostly I adore quiches and breakfast casseroles at dinner time. Of course they are great for weekend brunch, too, when you have a little extra time to prepare in the morning. I like to load them up with whatever seasonal vegetables we have on hand, and use low-fat cheeses and cottage cheese for a protein boost. And as for a family meal, it hardly gets any easier as the kids can help prepare the vegetables, or mix the eggs and cheese; older children could even make this dish on their own with some supervision.

When listing vegetable sizes in a recipes, it can seem rather vague. What’s the difference between small, medium, and large? I teach our boys using balls as a comparison measurement. Small onions, tomatoes, peppers, apples, potatoes, et cetera are about the size of a tennis ball or smaller. Medium will be about the size of a baseball, and large is about the size of a softball. Of course this is all approximate and weight is a much more accurate measure, but estimating is a valuable skill for kids to learn, whether at home or school.

Make sure to visit The Kids Cook Monday for more recipes to cook with your kids, and check out the rest of our Kids Cook Monday recipes below.

Recipe Notes

The original recipe calls for about double the cheddar, but we think the texture is fine with less cheese on top. I also substituted Feta cheese for the Monterrey Jack, as I like the tang of Feta in quiches and casseroles. The spinach and onion was my idea, which I think makes a nice base for crustless quiches. Remember to drain off any liquids before putting vegetables in the casserole dish, otherwise the quiche will turn out runny. The spinach and zucchini will be the most likely culprits.

📖 Recipe

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Egg and Cheese Casserole with Feta, Spinach, Mushrooms, Peppers, and Tomatoes

Adapted from Cooking Light Way to Cook Vegetarian

Prep Time20 minutes mins

Cook Time1 hour hr

Total Time1 hour hr 20 minutes mins

Course: Breakfast, Main Course

Cuisine: American

Diet: Gluten Free, Vegetarian

Keyword: cheddar cheese, eggs, feta cheese, mushrooms, peppers, potatoes, spinach, tomatoes, zucchini

Servings: 10 servings

Calories: 263kcal

Ingredients

  • 3 tablespoons olive oil (divided)
  • 1 small red onion (cut in half vertically and thinly sliced)
  • 6 ounces fresh baby spinach leaves
  • 2 medium zucchini squash (thinly sliced)
  • 2 cups diced red potatoes (or sweet potatoes, about 3 to 4 medium)
  • 1 medium bell pepper (finely chopped)
  • 8 ounces sliced mushrooms
  • 9 large eggs (whisked)
  • cups crumbled Feta cheese
  • ½ cup low-fat milk
  • 16 ounces low-fat cottage cheese
  • ½ cup chopped fresh parsley
  • ¼ teaspoon black pepper
  • ¼ teaspoon sea salt
  • ¾ cup grated sharp cheddar cheese
  • 2 medium tomatoes (thinly sliced)

US Customary - Metric

Preparation

  • Preheat the oven to 400° F/200° C.

  • Heat 1 tablespoon of the olive oil in the nonstick skillet, then sauté the red onion over medium heat. Add all the spinach and cover with the lid. Allow to sweat until the spinach starts to shrink, about 5 minutes, then uncover and stir. Continue stirring until the spinach is all softened and limp, about 3 more minutes. Drain off any liquid and transfer the spinach mixture to the prepared casserole dish.

  • Heat the remaining olive oil in the skillet, and add the potatoes, zucchini, mushrooms, and bell pepper. Sauté over medium heat until all the vegetables have softened, about 5 to 7 minutes. Drain off any excess liquid.

  • In the large mixing bowl, whisk together the eggs, Feta cheese, milk, cottage cheese, parsley, salt, and pepper. Stir in the potato and zucchini mixture. Pour over the spinach in the casserole dish. Sprinkle sharp cheddar cheese all over the top, then lay the tomato slices on top of the cheese.

  • Bake in the preheated oven for 15 minutes. Reduce the heat to 350° F/175° C and continue baking until the casserole is lightly browned and just set, about 35 minutes. Remove from the oven and allow to cool about 5 minutes or so, then serve.

Recipe Notes

Remember to drain off any liquids before putting vegetables in the casserole dish, otherwise the quiche will turn out runny. The spinach and zucchini will be the most likely culprits.

Nutrition

Calories: 263kcal | Carbohydrates: 11g | Protein: 19g | Fat: 17g | Saturated Fat: 7g | Cholesterol: 179mg | Sodium: 632mg | Potassium: 583mg | Fiber: 2g | Sugar: 6g | Vitamin A: 2611IU | Vitamin C: 31mg | Calcium: 272mg | Iron: 2mg

Tried this recipe?Share in the comments!

More Kids Cook Monday Recipes

Creamy Cheddar Cheese Grits (Kids Cook Monday)

Honey Cinnamon Whole Wheat Waffles

Spinach and Tortellini Soup (The Kids Cook Monday)

For the complete list of The Kids Cook Monday recipes, visit my Cooking with Kids page.

More Breakfast Casserole and Quiche Recipes From Other Blogs

More Breakfast and Brunch

  • Sweet Potato and Cranberry Muffins with Maple Butter
  • Asparagus and Leek Pie
  • Quinoa and Egg Breakfast Bowl
  • Apple Butter Bread Pudding (Cool Lawn Farm: On a Warm December Day)

Reader Interactions

Comments

    Thanks for visiting! Let me know what you think!

  1. Mushrooms Canada says

    Oh I love having breakfast any time of day! This is a wonderful casserole recipe that I'll be sure to try soon. Thanks for sharing!!

    -Shannon

    Reply

  2. Christine says

    Hi! I am planning to make this recipe for a welcome back teacher breakfast. Do you think it could be assembled the night before and cooked the next morning? Thanks!

    Reply

    • Andrea says

      Hi Christine. Yes, you can make all the parts and assemble it the night before. Leave off the tomatoes until just before baking, otherwise the juices will run everywhere, and allow the assembled casserole to rest on the counter while the oven heats.

      Reply

  3. Wendy says

    I just made this for dinner-it was delicious!

    Reply

    • Andrea says

      Thanks Wendy! We are so glad you enjoyed it!

      Reply

  4. Nina says

    Is there something I can substitute for the cottage cheese? Perhaps more eggs?

    Reply

    • Andrea says

      Yes, you can use more eggs. We just like the light texture the cottage cheese adds.

      Reply

  5. Georgia Leon says

    ohhh ! I can't help myself but to say this.. everything really look so YUMMY!.. I will try to cook that cheese casserole.. thanks for sharing the recipes! this website is Perfect!

    Reply

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Egg and Cheese Casserole Recipe with Feta, Spinach, Mushrooms, Peppers, and Tomatoes (The Kids Cook Monday) - Andrea Meyers (2024)

FAQs

Do you cook vegetables before putting in casserole? ›

Soft vegetables like broccoli can be quickly par-cooked (aka blanched). If you are using hard vegetables like potatoes or carrots or other hardy root vegetables, you'll want to par-cook for longer. Often a quick 2-5 minutes in the microwave will just give them that great head-start.

What is the difference between a frittata and a casserole? ›

As for the cooking process, frittata is made by briefly cooking an egg-based custard in a cast-iron pan on the stove, then baking it for a short time in the oven. Meanwhile, the egg custard in a breakfast casserole is poured over layers of other ingredients in a deep baking dish before going into the oven.

Is it better to cook casserole the day before or? ›

Make-ahead meals (especially baked casseroles) are terrific because you can completely assemble them in advance and bake them just before serving. They're the ultimate comfort food as they come bubbling hot and delicious straight from the oven to the table to the delight of family and friends.

What is the key to making a good casserole? ›

  1. Choose the right baking dish. If you're all about the crunchy topping, use a shallow dish. ...
  2. Undercook your pasta. ...
  3. Drain your meat. ...
  4. Beware of mushy vegetables. ...
  5. Know your cheeses. ...
  6. Master the art of casserole assembly. ...
  7. Don't skip the topping. ...
  8. Make it now, but bake it later.

What's the difference between a quiche and an egg casserole? ›

Egg Casserole

They include the addition of either flour added to the milk or a more solid dairy product such as sour cream or yogurt. They are heartier than a quiche, leaning more towards a strata in texture.

What is the difference between a quiche and an egg frittata? ›

A frittata is partially cooked in a skillet on the cooktop then finished in the oven. It also has a lower egg to dairy ratio making it closer to an open faced omelet than a pie. Quiche has a creamier, custard-like texture due to more dairy and is cooked entirely in the oven.

What is another name for egg casserole? ›

A frittata is similar to a quiche without the crust, and is often described as a thick omelette packed with ingredients like vegetables, cheese or ham. A strata is a breakfast casserole made with eggs and bread and is often described as an easy-to-make, savoury bread pudding.

Should I boil vegetables before baking? ›

Sometimes I've burned vegetables when roasting them until they were tender. Blanching veggies before roasting them allows them to caramelize a bit without burning. So, try this — enjoy the bounty.

Do you cook the vegetables first? ›

Cook the dense vegetables first as they will take longer to cook e.g. carrot, eggplant, broccoli stems. Add the less dense vegetables towards the end of cooking, e.g. cabbage, bok choy. Heat a little oil in a large non-stick pan or wok. Make sure the oil in the pan is very hot before adding the vegetables.

Should you cook onions before putting in casserole? ›

While certain vegetables can work just fine added directly to simmering soups and stews (say, carrots and celery), other vegetables (onions, garlic, and the like) will almost always need at least a brief sweat in a fat-based liquid before adding the remaining ingredients.

When to add frozen peas to casserole? ›

Adding frozen peas at the very end of the soup-cooking process is good for the peas and for the soup as a whole. In spite of what most pea packaging says, frozen peas cook through in a couple of minutes (sometimes less, depending on how scorching your soup is).

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