Healthy Dinner Spinach Mushroom Frittata

Name: Healthy Dinner Spinach Mushroom Frittata
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Yield: 4 servings
Ingredients: 6 large eggs; 1 cup fresh spinach, chopped; 1 cup mushrooms, sliced; 1/2 small onion, diced; 1/4 cup milk; Salt and pepper, to taste; 1 tablespoon olive oil

Highlighted under: Healthy & Light

I absolutely love making this Healthy Dinner Spinach Mushroom Frittata for a quick, nutritious meal. It strikes the perfect balance between health and flavor with its vibrant greens and earthy mushrooms. This dish comes together in just a matter of minutes, making it an ideal choice for busy weeknights or weekend brunches. Plus, it's incredibly versatile; you can swap out ingredients based on what's in your fridge. I'm always impressed by how a few simple ingredients can transform into something so delicious!

Created by

Blair Hudson

Last updated on 2026-01-12T01:31:13.549Z

When we first experimented with frittatas, I never realized how adaptable they could be! This Healthy Dinner Spinach Mushroom Frittata has become a staple in our kitchen because it’s not only delicious but packed with nutrients. I love using fresh spinach and mushrooms as they add a lovely earthiness and vibrant color. The key is to sauté the vegetables just enough to enhance their flavors without overcooking them.

One tip I’ve learned is to whisk the eggs with a splash of milk for creaminess and to season well. It elevates the entire dish! Plus, you can easily customize it by adding cheese or other veggies, making it a perfect base for whatever you have on hand. Enjoy!

        Why You'll Love This Frittata
        Packed with nutrients from fresh spinach and mushrooms
Quick to prepare, perfect for busy evenings
Great for meal prep or serving for brunch
Versatile and easy to customize with your favorite ingredients

      

Essential Ingredients for Flavor

The combination of spinach and mushrooms is not only nutritious but also provides a wonderful depth of flavor in this frittata. Spinach adds a mild, earthy taste and is rich in vitamins A and C, while mushrooms contribute umami richness and a nice meaty texture. When selecting mushrooms, fresh varieties like cremini or button work best as they have the optimal moisture content for cooking without becoming too soggy.

The choice of milk in the egg mixture helps create a creamy texture, enhancing the frittata's overall mouthfeel. Whole milk will yield a richer result, but you can substitute with almond, soy, or oat milk for a dairy-free version. Just keep in mind, different milk types may alter the flavor slightly, so choose one that complements your palate.

Perfectly Cooking Your Frittata

When cooking the frittata, it's crucial to watch for the telltale signs of doneness. After simmering on the stovetop for about 5 minutes, the edges should start to firm up without the center being fully set. This technique ensures a tender texture; overcooking at this initial stage can lead to a rubbery frittata. Don’t hesitate to gently check the texture; it should still have some slight jiggle in the center before baking.

Transferring your skillet to the oven allows for even cooking and puffing of your frittata. A good practice is to preheat the oven to 375°F (190°C) during the sautéing phase; this ensures the frittata begins to cook evenly upon transfer. Bake until puffed and golden-brown to achieve that perfect balance of a slightly crisp exterior and a soft, fluffy interior.

Ingredients

Gather all your ingredients before starting to make the cooking process smooth!

Frittata Ingredients

6 large eggs
1 cup fresh spinach, chopped
1 cup mushrooms, sliced
1/2 small onion, diced
1/4 cup milk
Salt and pepper, to taste
1 tablespoon olive oil

You can easily add your favorite veggies to this recipe!

Instructions

Make sure your oven is preheated to 375°F (190°C) before starting the cooking process.

Sauté Vegetables

In a large oven-safe skillet, heat the olive oil over medium heat. Add the onions and mushrooms, and sauté until softened, about 5 minutes. Then add the chopped spinach and cook until wilted.

Prepare Egg Mixture

In a bowl, whisk together the eggs, milk, salt, and pepper until well combined. Pour the egg mixture over the sautéed vegetables in the skillet.

Cook Frittata

Let the frittata cook on the stovetop for about 5 minutes, until the edges begin to set. Transfer the skillet to the preheated oven and bake for an additional 15 minutes or until the frittata is puffed and golden.

Serve

Remove from the oven and let the frittata cool slightly. Slice into wedges and serve warm or at room temperature.

Enjoy your delicious frittata as is, or pair with a side salad for a complete meal!

Pro Tips

For a creamier texture, add a handful of shredded cheese on top of the frittata before baking.

Serving Suggestions

This Spinach Mushroom Frittata is incredibly versatile and can be served warm or at room temperature, making it an excellent option for meal prep or gatherings. I love slicing it into wedges and serving it alongside a fresh side salad for a complete meal. It can also be paired with a dollop of Greek yogurt or a sprinkle of feta cheese for added creaminess and flavor.

Consider emphasizing seasonal vegetables to customize your frittata. In the summer, zucchini or bell peppers can be added, while hearty root vegetables like sweet potatoes can provide a more wintery feel. Adjusting the ingredient mix based on what's in your fridge not only minimizes waste but also keeps your meals interesting.

Make-Ahead and Storage Tips

This frittata can be made ahead of time; it stores well in the refrigerator for up to 4 days. If you plan to enjoy it over several days, I recommend keeping slices in an airtight container to prevent them from drying out. You can reheat individual portions in the microwave for about 30-45 seconds or in a skillet over low heat until warmed through.

If you're looking to freeze leftovers, wrap slices tightly in plastic wrap, followed by aluminum foil, and store them in a freezer-safe container. They can be frozen for up to 2 months. To reheat, thaw overnight in the refrigerator and then warm in the oven at 350°F (175°C) for 15-20 minutes until heated through.

Questions About Recipes

→ Can I use other vegetables in this frittata?

Absolutely! Feel free to add bell peppers, asparagus, or zucchini based on your preferences.

→ How do I store leftovers?

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave or enjoy cold.

→ Is it possible to make this frittata dairy-free?

Yes! You can substitute the milk with almond milk or other dairy-free alternatives.

→ Can I freeze this frittata?

Yes, you can freeze individual slices wrapped in plastic wrap or foil. Reheat them in the oven for best results.