A spinach frittata is a versatile and nutritious dish that can be enjoyed for breakfast, brunch, or even dinner. It's a delightful way to incorporate more vegetables into your diet while enjoying the rich flavors of cheese and eggs. This recipe is simple to prepare and can be customized with your favorite ingredients.
If you don't usually keep fresh spinach or grated cheese at home, you might need to pick these up at the supermarket. Fresh spinach can be found in the produce section, while grated cheese is typically in the dairy aisle. Make sure to choose a cheese that melts well, such as cheddar.

Ingredients For Spinach Frittata Recipe
Eggs: The base of the frittata, providing structure and protein.
Milk: Adds creaminess and helps to blend the eggs.
Fresh spinach: Adds a nutritious and flavorful green element.
Grated cheese: Melts into the frittata, adding richness and flavor.
Onion: Adds a sweet and savory depth to the dish.
Garlic: Provides a pungent and aromatic flavor.
Salt: Enhances the overall flavor of the frittata.
Pepper: Adds a bit of heat and depth to the flavor.
Olive oil: Used for sautéing the vegetables and adds a subtle richness.
Technique Tip for This Recipe
When cooking the onion and garlic in the olive oil, make sure to keep the heat at medium to avoid burning. Stir frequently until they become translucent and fragrant. This will ensure a balanced flavor without any bitterness.
Suggested Side Dishes
Alternative Ingredients
eggs - Substitute with egg whites: For a lower cholesterol option, use egg whites instead of whole eggs.
eggs - Substitute with tofu: For a vegan option, use silken tofu blended with a bit of turmeric for color.
milk - Substitute with almond milk: For a dairy-free option, use almond milk or any plant-based milk.
milk - Substitute with cream: For a richer texture, use cream instead of milk.
fresh spinach - Substitute with kale: Kale provides a similar texture and nutritional profile.
fresh spinach - Substitute with frozen spinach: If fresh spinach is unavailable, use thawed and drained frozen spinach.
grated cheese - Substitute with feta cheese: Feta adds a tangy flavor and creamy texture.
grated cheese - Substitute with nutritional yeast: For a vegan option, use nutritional yeast which provides a cheesy flavor.
diced onion - Substitute with shallots: Shallots offer a milder and slightly sweeter flavor.
diced onion - Substitute with leeks: Leeks provide a similar texture with a more delicate taste.
garlic - Substitute with garlic powder: If fresh garlic is unavailable, use garlic powder for a similar flavor.
garlic - Substitute with shallots: Shallots can add a mild garlic-like flavor.
salt - Substitute with soy sauce: Soy sauce can add a salty and umami flavor.
pepper - Substitute with cayenne pepper: For a spicier kick, use cayenne pepper.
olive oil - Substitute with coconut oil: Coconut oil can be used for a slightly sweet and tropical flavor.
olive oil - Substitute with butter: Butter can add a rich and creamy texture.
Other Alternative Recipes
How to Store or Freeze Your Frittata
- Allow the frittata to cool completely before storing. This prevents condensation from forming, which can make the frittata soggy.
- For short-term storage, place the frittata in an airtight container and refrigerate. It will stay fresh for up to 3-4 days.
- If you prefer to store individual portions, slice the frittata into wedges and wrap each piece tightly in plastic wrap or aluminum foil before placing them in the refrigerator.
- For longer storage, you can freeze the frittata. Wrap the entire frittata or individual slices in plastic wrap, then place them in a freezer-safe bag or container. It can be frozen for up to 2 months.
- When ready to eat, thaw the frittata in the refrigerator overnight if frozen.
- Reheat the frittata in the microwave for 1-2 minutes or until heated through. Alternatively, you can reheat it in the oven at 350°F (175°C) for about 10 minutes.
- To maintain the best texture, avoid reheating the frittata multiple times. Reheat only the portion you plan to eat.
How to Reheat Leftovers
Oven Method: Preheat your oven to 350°F (175°C). Place the leftover spinach frittata on a baking sheet or in an oven-safe dish. Cover it with aluminum foil to prevent it from drying out. Heat for about 10-15 minutes or until warmed through. This method helps maintain the frittata's texture and flavor.
Stovetop Method: Heat a non-stick skillet over medium-low heat. Add a small amount of olive oil or butter to the pan. Place the leftover frittata slices in the skillet and cover with a lid. Heat for about 5-7 minutes, flipping halfway through, until the frittata is heated evenly. This method keeps the edges slightly crispy.
Microwave Method: Place the leftover spinach frittata on a microwave-safe plate. Cover it with a microwave-safe lid or another plate to retain moisture. Heat on medium power for 1-2 minutes, checking halfway through. Be cautious not to overheat, as this can make the frittata rubbery.
Toaster Oven Method: Preheat your toaster oven to 350°F (175°C). Place the frittata on a piece of parchment paper or directly on the toaster oven rack. Heat for about 8-10 minutes or until warmed through. This method is quick and helps maintain a slightly crispy texture.
Air Fryer Method: Preheat your air fryer to 320°F (160°C). Place the leftover spinach frittata in the air fryer basket. Heat for about 5-7 minutes, checking halfway through to ensure it doesn't overcook. This method is great for a quick reheat with a slightly crispy finish.
Best Tools for This Recipe
Oven: Used to bake the frittata until it is set and the top is golden.
Mixing bowl: Used to whisk together the eggs and milk, and season with salt and pepper.
Whisk: Used to combine the eggs and milk thoroughly.
Oven-safe skillet: Used to cook the onions, garlic, and spinach, and then to bake the frittata in the oven.
Spatula: Used to stir the onions, garlic, and spinach while cooking.
Measuring cups: Used to measure the milk, cheese, and other ingredients accurately.
Knife: Used to chop the spinach and dice the onion.
Cutting board: Used as a surface for chopping the spinach and dicing the onion.
Grater: Used to grate the cheese if it is not pre-grated.
Garlic press: Used to mince the garlic if you prefer not to chop it by hand.
Oven mitts: Used to safely handle the hot skillet when transferring it to and from the oven.
How to Save Time on This Recipe
Prep ingredients in advance: Chop spinach, dice onion, and mince garlic the night before to save time.
Use pre-shredded cheese: Opt for pre-shredded cheese to cut down on prep time.
One-pan method: Cook everything in the same oven-safe skillet to minimize cleanup.
Batch cooking: Double the recipe and save leftovers for quick meals later in the week.
Quick wilt spinach: Microwave spinach for 30 seconds to wilt it faster before adding to the skillet.

Spinach Frittata Recipe
Ingredients
Main Ingredients
- 6 large eggs
- ¼ cup milk
- 1 cup fresh spinach, chopped
- ½ cup grated cheese (cheddar or your choice)
- ¼ cup diced onion
- 1 clove garlic, minced
- to taste Salt and pepper
- 1 tablespoon olive oil
Instructions
- Preheat oven to 375°F (190°C).
- In a bowl, whisk together eggs and milk. Season with salt and pepper.
- Heat olive oil in an oven-safe skillet over medium heat. Add onion and garlic, cook until softened.
- Add spinach to the skillet and cook until wilted.
- Pour egg mixture into the skillet and cook until edges start to set.
- Sprinkle cheese on top and transfer the skillet to the oven.
- Bake for 10-15 minutes, or until the frittata is set and the top is golden.
- Let it cool slightly before slicing and serving.
Nutritional Value
Keywords
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