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    Oh My Veggies » Vegetarian Recipes

    Spinach Mushroom Frittata

    Published: Mar 7, 2023 · by Nicole · Updated: Mar 7, 2023 · This post may contain affiliate links.

    Jump to Recipe - Print Recipe
    vegetable frittata
    vegetable frittata
    vegetable frittata

    Spinach Mushroom Frittata is a delicious and healthy dish that is perfect for breakfast, brunch or even lunch. It is easy to make and can be customized with your favorite ingredients. A vegetable loaded frittata that is going to fuel your body and satisfy your tastebuds. 

    Do you like omelets? If so you will find frittatas offer similar flavor with a bit of a flare. Or you might want to try out my spring vegetable strata for another easy breakfast inspiration. 

    This Spinach Mushroom Frittata Is..

    • Quick and Easy 
    • Made with Fresh Ingredients 
    • Great Breakfast or Brunch Recipe 
    • Healthy and Nutrient Rich 
    • Family Friendly 

    How to Make

    vegetable frittata

    Full steps on how to make this spinach and mushroom frittata is in the printable recipe card. This is a quick walk through. 

    1. Preheat oven to 400°F. 
    2. Beat the eggs, cheese, half and half (if using), salt, and pepper in a large bowl until well combined. 
    3. Heat the oil in a 10-inch cast iron skillet over medium heat. 
    4. Cook the onion for 3-4 minutes or until it starts to soften. 
    5. Add the mushrooms and cook for 5-6 minutes or until browned. 
    6. Add the garlic and cook for an additional 1 minute. 
    7. Add the spinach and cook until wilted, about 2-3 minutes. 
    8. Remove the veggies from the skillet, spray generously with cooking spray, then pour in the egg mixture and spread the veggies over the top. 
    9. Bake in preheated oven for 15-20 minutes or until the eggs have set in the center. 
    10. Allow the frittata to cool for 10 minutes before slicing and serving. 

    Tools For Frittatas 

    vegetable frittata

    Non-Stick Skillet

    You will need a good quality non-stick skillet to cook the frittata. A 10-12 inch skillet works well for most recipes.

    Whisk

    You will need a mixing bowl to beat the eggs and other ingredients together. Or you can use a hand mixer for mixing up the mixture if you prefer. 

    Mixing Bowl

    You will need a mixing bowl to beat the eggs and other ingredients together.

    Helpful Tips for Success 

    vegetable frittata

    Use High-Quality Ingredients

    Use fresh and high-quality ingredients for the best flavor. Fresh herbs, vegetables, and meats will add great taste and texture to your frittata.

    Pre-Cook Vegetables

    If you are adding vegetables to your frittata, make sure to cook them beforehand. This will ensure that they are fully cooked and add flavor to your frittata.

    Flip the Frittata

    Once the frittata is mostly cooked, place a plate on top of the skillet and flip the frittata onto the plate. Then slide it back into the skillet to finish cooking the other side.

    Variations to Frittata Recipe 

    vegetable frittata

    Vegetables 

    Change up the vegetables you place in the frittata. From diced up broccoli, peppers, onions, etc. Feel free to alter the veggies to what you prefer. Just be aware of the moisture that is released in vegetables so aim to use the same amount of vegetables in the recipe. 

    Kale 

    Swap the spinach leaves with kale in the dish. This is going to alter the flavor a bit but still give you a nice amount of nutrients in the frittata. 

    Rest the Frittata

    Once the frittata is cooked, let it rest for a few minutes before slicing and serving. This will help to set the eggs and make it easier to cut and serve.

    FAQs for Mushroom Spinach Frittata 

    vegetable frittata

    What is a frittata?

    A frittata is an Italian dish that is similar to an omelete or a crustless quiche. It is made by whisking eggs with cheese and other ingredients such as vegetables, meats, and herbs, then cooking the mixture in a skillet on the stove and finishing it in the oven. Frittatas are typically cooked on low heat to avoid burning the bottom, and the pan is often flipped to cook the other side. 

    How to store leftover frittata?

    Place the frittata slices in an airtight container or wrap them tightly in plastic wrap or aluminum foil. Refrigerate the leftovers for 3-4 days, and then reheat in the microwave or oven. 

    Can you freeze frittatas? 

    Frittatas can also be frozen for up to 2 months. To freeze, wrap individual slices in plastic wrap and aluminum foil or place in airtight containers. When ready to eat, defrost the frittata in the refrigerator overnight, then reheat in the oven or microwave.

    How do you keep a frittata Fluffy?

    Making sure to use a bit of dairy and whisking your eggs well are two keys to keeping your frittata fluffy. Otherwise you will find your egg based frittata can fall a bit flat and dense. 

    vegetable frittata

    Spinach Mushroom Frittata

    Spinach Mushroom Frittata is a delicious and healthy dish that is perfect for breakfast, brunch or even lunch. It is easy to make and can be customized with your favorite ingredients.
    Print Recipe Pin Recipe Email Recipe
    Prep Time: 10 minutes
    Cook Time: 30 minutes
    Total Time: 40 minutes
    Course: Breakfast, Brunch
    Cuisine: American
    Diet: Vegetarian
    Keyword: how to make frittata, spinach frittata, spinach mushroom frittata, vegetable frittata, what is a frittata
    Servings: 6 servings
    Calories: 251kcal
    Author: Oh My Veggies

    Ingredients

    • 8 large eggs
    • 1 cup shredded cheddar cheese
    • ½ cup half and half
    • ½ teaspoon salt
    • ½ teaspoon pepper
    • 2 tablespoons olive oil
    • 1 small onion diced
    • 8 oz. sliced mushrooms
    • 2 cloves garlic minced
    • 4 cups baby spinach
    US Customary - Metric

    Instructions

    • Preheat oven to 400 F
    • In a large bowl, beat the eggs, cheese, half and half, salt and pepper until well combined and set aside
    • In a 10” cast iron skillet, heat the oil over medium and cook the onion for 3-4 minutes, or until starting to soften
    • Add the mushroom and cook until browned, about 5-6 minutes
      vegetable frittata
    • Add the garlic and cook an additional 1 minute
    • Add the spinach and cook until wilted, about 2-3 minutes
      vegetable frittata
    • Remove the veggies from the skillet, and spray with cooking spray generously, then pour in the egg mixture, then spread the veggies overtop
      vegetable frittata
    • Bake in preheated oven 15-20 minutes, or until the eggs have set in the center
    • Allow to cool 10 minutes before slicing and serving
      vegetable frittata

    Nutrition

    Calories: 251kcalCarbohydrates: 6gProtein: 14gFat: 19gSaturated Fat: 8gPolyunsaturated Fat: 2gMonounsaturated Fat: 8gTrans Fat: 0.02gCholesterol: 244mgSodium: 431mgPotassium: 387mgFiber: 1gSugar: 3gVitamin A: 2454IUVitamin C: 8mgCalcium: 215mgIron: 2mg
    Craving more veg-friendly recipes? Shop our collection of vegetarian and vegan cookbooks, including our new Vegan Thanksgiving and Vegan Christmas cookbooks!
    « Strawberry Kiss Cookies 
    Strawberry Cheesecake Overnight Oats »

    10 Ingredients or Less, Vegetarian Breakfast Recipes, Vegetarian Main Dishes, Vegetarian Recipes breakfast, eggs, main dishes, mushrooms, side dishes, spinach

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    Nicole is a life long vegetarian and the author of the popular vegan cookbook, Weeknight One Pot Vegan Cooking. She loves sharing her recipes and showing the world just how easy and delicious meatless meals can be!
    Learn more here.

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