Healthy Dinner Spinach Mushroom Frittata

Highlighted under: Healthy & Light

I love making this Healthy Dinner Spinach Mushroom Frittata as it’s not only nutritious but also incredibly easy to prepare. Packed with fresh spinach and mushrooms, this dish is a delightful way to enjoy a healthy meal. The best part is that it comes together in just under 30 minutes, making it perfect for busy weeknights. Whether you're feeding your family or looking for a quick dinner for one, this frittata is a delicious and wholesome choice that I frequently go back to.

Hayley Morton

Created by

Hayley Morton

Last updated on 2026-01-13T05:04:18.523Z

When I first tried making a frittata, I was amazed at how simple yet satisfying it could be. This Healthy Dinner Spinach Mushroom Frittata has since become a staple in my kitchen. With just a few ingredients and minimal effort, I can whip up a meal that's delicious and good for my body.

One crucial trick I've learned is to sauté the mushrooms before adding them to the egg mixture. This not only enhances their flavor but helps prevent the frittata from getting soggy. I love adding a sprinkle of cheese on top just before serving for that extra bit of creaminess!

Why You'll Love This Recipe

  • Packed with nutrients from fresh spinach and mushrooms
  • Perfectly fluffy and filled with flavor
  • Quick and easy to prepare for any weeknight dinner
  • Versatile dish that can be served warm or cold, great for leftovers

Techniques for a Perfect Texture

Achieving the perfect frittata texture relies heavily on the cooking method. When you first pour the egg mixture into the skillet, cook it on medium heat without stirring for about 5 minutes. This allows the edges to set while the center remains slightly runny. Keep an eye on it; you'll know it's ready for the oven when the edges are firm but the middle still jiggles slightly. This ensures a fluffy and tender final product instead of a dry frittata.

Using a non-stick skillet is crucial to prevent the frittata from sticking, especially when flipping or slicing. If you don't have one, ensure you grease the pan generously with olive oil. I recommend using a well-seasoned cast-iron skillet if you want to add a slight flavor from the pan itself. Additionally, avoid overcrowding the pan with too many vegetables, as this can lead to moisture buildup and a soggy texture.

Ingredient Insights

The spinach in this frittata not only adds a vibrant color but also packs a nutritional punch, providing iron and vitamins A and C. When incorporating spinach, opt for fresh leaves instead of frozen, as frozen spinach can release excess moisture. If you’re looking for a substitution, kale or Swiss chard can be great alternatives for a similar nutrient profile with slightly different flavors.

Mushrooms contribute umami flavor and texture to the frittata. Slicing them evenly ensures they cook uniformly. You can experiment with different types of mushrooms, like baby bella or shiitake, which add unique flavors. If you're craving a heartier dish, consider adding cooked sausage or bacon bits; just remember to adjust the cooking time slightly to allow for these ingredients to render their fat.

Ingredients

Ingredients for Healthy Dinner Spinach Mushroom Frittata

Ingredients

  • 6 large eggs
  • 2 cups fresh spinach, chopped
  • 1 cup mushrooms, sliced
  • 1/2 cup onion, diced
  • 1/2 cup shredded cheese (optional)
  • Salt and pepper to taste
  • 1 tablespoon olive oil

These ingredients come together beautifully, providing a meal that is nourishing and satisfying.

Instructions

Instructions

Preheat and prepare

Preheat your oven to 375°F (190°C). In a skillet, heat the olive oil over medium heat and add the diced onions and sliced mushrooms. Sauté until the onions are translucent and mushrooms are tender.

Mix the eggs

In a large bowl, whisk the eggs together with salt and pepper. Stir in the chopped spinach and sautéed onion and mushroom mixture until well combined.

Cook the frittata

Pour the egg mixture back into the skillet and cook for about 5 minutes, without stirring, until the edges start to set. If desired, sprinkle shredded cheese on top.

Bake

Transfer the skillet to the preheated oven and bake for 15 minutes or until the frittata is firm and golden on top. Allow it to cool slightly before slicing.

Enjoy this delicious frittata warm or at room temperature, perfect for any occasion!

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Pro Tips

  • Feel free to customize this frittata by adding other vegetables like bell peppers or zucchini for added flavor and nutrition.

Make-Ahead and Storage

This frittata is incredibly versatile for meal prep. You can whip it up in advance and store it in the refrigerator for up to 4 days. Just allow it to cool completely before wrapping it in plastic wrap or transferring it to an airtight container. For longer storage, slice it into portions and freeze solid. Once frozen, you can store them in a zip-top bag for up to 2 months—perfect for quick breakfasts or lunches.

To reheat the frittata, thaw it in the refrigerator overnight if frozen, then microwave for about 1-2 minutes on medium power until heated through. Alternatively, you can reheat individual slices in a skillet over low heat for a few minutes on each side, which helps to restore some of the original texture.

Serving Suggestions

This frittata can be served warm, at room temperature, or even cold, making it a versatile option for any meal of the day. Pair it with a light side salad dressed with a squeeze of lemon for a refreshing touch. For a heartier breakfast, serve it alongside crusty bread or whole grain toast topped with avocado, creating a wholesome and satisfying meal.

You can also elevate the frittata with different herbs and spices. Adding fresh herbs like parsley or basil as a garnish brings brightness and freshness, while a sprinkle of red pepper flakes can add a kick. Experiment with different cheese varieties or toppings, like diced tomatoes or olives, to personalize the dish according to your taste.

Questions About Recipes

→ Can I use egg substitutes in this recipe?

Yes, you can use egg substitutes like flax eggs or liquid egg whites, but the texture might vary slightly.

→ How do I store leftovers?

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave before serving.

→ Can I freeze the frittata?

Yes, you can freeze slices of the frittata. Just make sure to wrap them tightly to prevent freezer burn.

→ What other ingredients can I add?

You can add diced peppers, tomatoes, or even cooked bacon or sausage for extra flavor.

Healthy Dinner Spinach Mushroom Frittata

I love making this Healthy Dinner Spinach Mushroom Frittata as it’s not only nutritious but also incredibly easy to prepare. Packed with fresh spinach and mushrooms, this dish is a delightful way to enjoy a healthy meal. The best part is that it comes together in just under 30 minutes, making it perfect for busy weeknights. Whether you're feeding your family or looking for a quick dinner for one, this frittata is a delicious and wholesome choice that I frequently go back to.

Prep Time10 minutes
Cooking Duration20 minutes
Overall Time30 minutes

Created by: Hayley Morton

Recipe Type: Healthy & Light

Skill Level: Easy

Final Quantity: 4 servings

What You'll Need

Ingredients

  1. 6 large eggs
  2. 2 cups fresh spinach, chopped
  3. 1 cup mushrooms, sliced
  4. 1/2 cup onion, diced
  5. 1/2 cup shredded cheese (optional)
  6. Salt and pepper to taste
  7. 1 tablespoon olive oil

How-To Steps

Step 01

Preheat your oven to 375°F (190°C). In a skillet, heat the olive oil over medium heat and add the diced onions and sliced mushrooms. Sauté until the onions are translucent and mushrooms are tender.

Step 02

In a large bowl, whisk the eggs together with salt and pepper. Stir in the chopped spinach and sautéed onion and mushroom mixture until well combined.

Step 03

Pour the egg mixture back into the skillet and cook for about 5 minutes, without stirring, until the edges start to set. If desired, sprinkle shredded cheese on top.

Step 04

Transfer the skillet to the preheated oven and bake for 15 minutes or until the frittata is firm and golden on top. Allow it to cool slightly before slicing.

Extra Tips

  1. Feel free to customize this frittata by adding other vegetables like bell peppers or zucchini for added flavor and nutrition.

Nutritional Breakdown (Per Serving)

  • Calories: 260 kcal
  • Total Fat: 18g
  • Saturated Fat: 6g
  • Cholesterol: 380mg
  • Sodium: 350mg
  • Total Carbohydrates: 6g
  • Dietary Fiber: 1g
  • Sugars: 2g
  • Protein: 20g