Baked Spinach and Mushroom Frittata {The EASIEST Frittata recipe you'll make over and over again!} (2024)

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Breakfast just got amazing! This healthy baked frittata is loaded with vegetables and topped with cheese making it incredibly delicious. This Spinach and Mushroom Frittata is perfect for Sunday brunch and a fantastic meal prep breakfast option.

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Eggs are definitely my go-to breakfast as of late. I’ve discovered that having a good amount of protein and healthy fats is my best defense for late-day snacking. One of my favorite ways to enjoy eggs is with veggies and a bit of cheese.

This Spinach & Mushroom Frittata is amazing. It’s incredibly healthy, loaded with protein and a fantastic make-ahead breakfast for busy mornings or when you want to take breakfast to work.

Here’s the simple steps in making this Baked Spinach & Mushroom Frittata

Step 1: Choose your ingredients for your Baked Frittata

For my healthy baked frittata, I went with some simple vegetables, primarily spinach, mushrooms, red onions and red pepper. Feel free to change these up this vegetable combination if you want to substitute for what you already have in your refrigerator.

You’ll also need a dozen eggs, a bit of milk and cheese. If you need your frittata to be diary-free, you can omit the milk and cheese.

Step 2: Saute the vegetables

In a cast-iron skillet (or any other medium-sized skillet) saute the vegetables in a bit of olive oil. Pre-cooking the vegetables simply helps speed up the baking process once the frittata goes into the oven.

This is also a good time to preheat your oven.

Step 3: Whisk together the eggs

While your vegetables are sautéing, whisk together the dozen eggs along with the milk. Add salt and pepper to taste. For me this is several grinds of my salt and pepper grinders.

Step 4: Pour the whisked eggs into the skillet with the vegetables

Once your vegetables are cooked and slightly softened, you can pour the eggs right into the cast iron skillet.

Top the eggs & vegetables with the cheese of your choice. For this recipe, I’m using a shredded cheddar jack blend, but I also really love goat cheese in this delicious mushroom frittata.

What other cheese can I add to this frittata?

  • Goat Cheese
  • Gorgonzola
  • Blue Cheese
  • Shredded Parmesan
  • Shredded Mozzarella

Next, bake for approximately 25 minutes or until the center is mostly firm when you giggle the skillet.

Frequently Asked Questions about How to Make a Frittata:

Can I bake this frittata in a baking dish?

  • Yes, absolutely! If you don’t have a cast iron skillet, you can bake this frittata in a pie plate or baking dish. You can either saute the vegetables in a separate skillet OR add the raw vegetables directly to the baking dish. You will need to bake the frittata for an additional 5-10 minutes if you’re not pre-cooking the vegetables.

I want to add extra protein to this frittata? What other protein options can I add?

  • Ham
  • Bacon
  • Sausage or Chorizo
  • Turkey or Chicken Sausage

How do I meal prep this frittata and keep it healthy?

Slice this spinach and mushroom frittata into six slices and add to your favorite meal prep containers. I like to pair my baked frittata with fresh fruit.

How do I meal prep breakfast?

Meal prepping breakfast is a great place to start, especially if you’re new to making healthy meals for yourself in advance. I’ve put together a post on Breakfast Meal Prep that includes all of my healthy breakfast recipes, as well as tips, tools and ideas for making meal prep easy.

How do I reheat this spinach mushroom frittata?

When ready to reheat your frittata, transfer to a microwave-safe plate and reheat for 30 second increments until completely hot.

If you loved this delicious breakfast meal prep recipe, then check out some of my other similar healthy breakfast recipes:

  • Healthy Freezer Breakfast Sandwiches
  • Blueberry Protein Muffins
  • Healthy Apple Muffins
  • Baked Blueberry Oatmeal
  • Blueberry Overnight Oats
  • Banana Baked Oatmeal
  • Blueberry Almond Chia Pudding

Here’s the recipe for my delicious Baked Spinach and Mushroom Frittata:

Baked Spinach and Mushroom Frittata {The EASIEST Frittata recipe you'll make over and over again!} (10)

Baked Spinach and Mushroom Frittata

Yield: 6 slices

Prep Time: 15 minutes

Cook Time: 25 minutes

Total Time: 40 minutes

Breakfast just got amazing! This healthy baked frittata is loaded with vegetables and topped with cheese making it incredibly delicious. This Spinach and Mushroom Frittata is perfect for Sunday brunch and a fantastic meal prep breakfast option.

Ingredients

  • 12 large eggs
  • 2 Tbsp. Extra Virgin Olive Oil
  • 3 c. chopped, fresh spinach
  • 1 c. sliced, fresh mushrooms
  • 1/2 c. diced red onion
  • 1/2 c. diced red bell pepper
  • 1/4 c. milk
  • 1/2 c. shredded cheddar cheese (or other cheese of choice)
  • Salt and Pepper to taste
  • Cilantro for topping

Instructions

  1. Preheat oven to 400 degrees.
  2. Chop, slice and dice the spinach, mushrooms, onion and pepper.
  3. To a medium cast-iron skillet, heat the olive oil over medium-high heat. Add the onion, mushrooms and pepper and saute for 5 minutes. Add the spinach and saute for one more minute, or until the spinach cooks down and becomes wilted. Remove from heat.
  4. Crack all of the eggs into a bowl. Add milk, salt and pepper. Whisk until all eggs are broke and mixture becomes slightly frothy.
  5. Pour egg mixture over the vegetables directly in the skillet. Top with the shredded cheese.
  6. Bake at 400 degrees for 24-26 minutes or until center of frittata becomes mostly set when the skillet is gently shaken.
  7. Remove from oven and top with herbs of choice like cilantro. Enjoy right away while warm.

Notes

Substitute shredded cheddar cheese for shredded Parmesan cheese, jack blend, Gorgonzola, goat cheese or blue cheese.

Add additional protein by adding 1/2 cup of diced ham, cooked bacon or sausage.

Nutrition Information:

Yield: 6Serving Size: 1
Amount Per Serving:Calories: 249Total Fat: 18gSaturated Fat: 6gTrans Fat: 0gUnsaturated Fat: 11gCholesterol: 382mgSodium: 271mgCarbohydrates: 6gFiber: 1gSugar: 3gProtein: 16g

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  • Strawberry Shortcake Overnight Oats
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Baked Spinach and Mushroom Frittata {The EASIEST Frittata recipe you'll make over and over again!} (2024)

FAQs

How do you keep frittata fluffy? ›

Tips for Fluffy Eggs

Don't overcook! Overcooking eggs makes them rubbery. When you remove the Frittata from the oven, it will continue to cook, especially if you are using cast iron, which retains heat well. You do want it to be set and not liquidy, but keep this in mind so you keep the texture perfect.

How do you make a frittata not soggy? ›

If meat and vegetables figure into your frittata, cook them in the pan before you add your eggs—and I leave mine ever so slightly underdone. That way, they don't get soggy when they keep cooking in the oven (and I tend to like my vegetables with a little “bite” anyway, but it's a personal preference).

Do you add milk to frittata? ›

Adding a bit of dairy, whether it's cream or thick yogurt, is essential for getting the moisture and creaminess of the frittata just right. For every dozen eggs, use a half cup of dairy. It can be cream, whole milk, sour cream, yogurt, crème fraîche, even cottage cheese.

How to make frittata Jamie Oliver? ›

Preheat the oven to 220°C/425°F/gas 7. Crack the eggs into a mixing bowl and add a pinch of sea salt and black pepper. Whisk together and put to one side. Add the peas, broad beans and a good pinch of salt to a pestle and mortar, then pick in the mint leaves and bash to a rough paste.

How do restaurants get their eggs so fluffy? ›

Actually the secret in fine restaurants is to do what the French do - add water. The water will steam during the cooking process and add air. I didn't believe it at first, but was shocked at the results when I tried it. Just a about a tablespoon per egg is enough.

What kind of cheese is best for frittata? ›

Go for high moisture cheeses

According to Cheese Science, high moisture cheeses like mozzarella and smoked Gouda are great melting cheeses that give frittatas their desired texture. Meanwhile, a low moisture cheese like Parmesan won't melt in the oven, especially when it's surrounded by a mixture of eggs.

When making a frittata which ingredient should be pre cooked prior to adding it to the egg mixture? ›

This also holds true for aromatics, like onions, and sturdy veggies, like raw potatoes. "They won't get much more tender once you add the beaten eggs," says Perry, "So cook them fully before combining everything." Don't be afraid of getting a little color on the vegetables: That's what makes them so delicious!

What is the frittata formula? ›

The Frittata Formula

Frittatas are incredibly simple. For every six large eggs, you'll want to mix in ¼ cup of milk or cream, ¼ cup of cheese, and about 3 cups of meat or vegetables. The small amount of milk and cheese keeps the eggs soft and creamy and the meat and vegetables give you endless options.

When determining how many eggs to use in a frittata generally? ›

The egg to dairy ratio: If you are making a smaller frittata use 6 eggs and 1/4 cup of dairy, and if you are making a larger frittata use 12 eggs and 1/2 cup of dairy. You can use milk, sour cream, yogurt, milk kefir, or any other form of dairy you have on hand - just make sure it is full fat.

How can you tell when a frittata is done? ›

The eggs should be cooked through, not runny and a knife should come out clean when inserted into the centre. You can also give the skillet a gentle shake to determine if it is done; a runny frittata will jiggle when you shake the skillet.

What kind of pan is best for frittata? ›

Use a cast-iron skillet.

The best choice for making frittatas, cast iron skillets can safely go from stovetop to oven, and they conduct heat well and evenly. Seasoning a cast-iron pan gives it a non-stick quality, so a well-seasoned skillet will result in the easiest slicing & serving.

Why is my frittata bland? ›

Here, we'll discuss these mistakes and how to fix them. You don't season the frittata. If you don't add seasoning to your frittata, it will end up tasting bland.

Do you have to flip a frittata? ›

Some cook the egg dish entirely on the stovetop, while others finish it in the oven. Here's the thing: The stovetop-only approach requires you to flip the giant, still-runny egg pancake in the skillet.

How do you thicken a frittata? ›

When cooking a frittata, it's always a good idea to add dairy, specifically whole milk. Dairy isn't absolutely required to make a frittata, but if you want an ideal creamy consistency, you should add it. If milk isn't your style, you can even add yogurt to your frittata recipe to thicken it.

How do you keep frittata from going flat? ›

When dealing with serving frittatas at room temperature or chilled, make sure that you let it cool slowly -- you need to make sure that the proteins get a chance to set up before the air bubbles shrink significantly.

Why does my egg frittata go flat? ›

Dairy, like milk or cream, is a crucial component of frittatas. This is the ingredient that gives frittatas their signature creamy, fluffy texture. Without this important addition, frittatas cook up flatter and a bit more dense. Follow this tip: After whisking the eggs together, be sure to whisk in some milk or cream.

Why did my frittata rise? ›

What Makes a Frittata Rise? Milk or cream is the essential ingredient that will make your frittata rise. Cooked without either milk or cream, the frittata will be flatter and less puffy. Add the milk or cream to the eggs and whisk them together until they are fluffy.

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