Mushroom Frittata is a delightful dish that brings together the rich flavors of sautéed vegetables and creamy eggs. Perfect for breakfast, brunch, or even a light dinner, this frittata shines with its versatility. With ingredients like spinach, cherry tomatoes, and mushrooms, it’s not only healthy but also bursting with flavor. This recipe stands out for its ease of preparation and can be customized to suit any occasion.
Why You’ll Love This Recipe
- Quick and Easy: This Mushroom Frittata comes together in just over an hour, making it perfect for busy mornings or last-minute gatherings.
- Packed with Flavor: The combination of fresh vegetables and cheese creates a savory taste that everyone will love.
- Versatile Dish: You can customize the ingredients based on what you have at home, making it a great way to use up leftovers.
- Healthy Option: With nutrient-rich ingredients, this frittata is not only delicious but also nutritious—perfect for health-conscious eaters.
- Great for Meal Prep: Make it ahead of time and enjoy it throughout the week. It reheats well and tastes just as good!

Tools and Preparation
To make your Mushroom Frittata with ease, having the right tools is essential. Ensure you have everything ready before you start cooking.
Essential Tools and Equipment
- Quiche pan or pie dish
- Baking sheet
- Mixing bowl
- Whisk
- Knife
- Cutting board
Importance of Each Tool
- Quiche pan or pie dish: The right dish ensures even cooking and makes serving easier.
- Baking sheet: Placing your quiche pan on a baking sheet catches any drips and prevents messes in the oven.
- Mixing bowl: A sturdy bowl helps you combine all ingredients without spills during preparation.
Ingredients
For the Base
- 1 cup diced yellow onion
- 1 cup chopped baby spinach
- 1 cup cherry tomatoes (sliced in half)
- ½ cup shredded mozzarella cheese (cheddar or parmesan will also work)
- ½ cup sliced mushrooms
For the Egg Mixture
- 8 large eggs
- ½ cup heavy cream (or Greek yogurt or sour cream)
- ½ tsp ground mustard
- ½ tsp garlic powder
- ½ tsp salt
- ¼ tsp ground black pepper
How to Make Mushroom Frittata
Step 1: Preheat the Oven
Preheat your oven to 350°F. Spray a quiche pan or pie dish with nonstick cooking spray. Place this pan on top of a baking sheet.
Step 2: Prepare the Vegetables
Add 1 cup diced yellow onion to the bottom of the quiche pan. Then sprinkle 1 cup chopped baby spinach over the onions.
Step 3: Add Tomatoes and Cheese
Next, arrange 1 cup sliced cherry tomatoes, followed by ½ cup shredded cheese, and then add ½ cup sliced mushrooms.
Step 4: Whisk the Eggs
In a medium bowl, whisk together 8 large eggs, ½ cup heavy cream, ½ tsp ground mustard, ½ tsp garlic powder, ½ tsp salt, and ¼ tsp ground black pepper until fully combined.
Step 5: Combine Egg Mixture with Vegetables
Gently pour the egg mixture around the vegetables in your prepared dish. This technique helps keep the veggies in place; you may use a fork to rearrange them if necessary.
Step 6: Bake Until Set
Bake for 40-45 minutes or until a toothpick inserted into the center comes out clean.
Step 7: Cool and Serve
Remove from the oven and let cool slightly before slicing. Serve warm with your favorite toppings such as hot sauce, salsa, avocado, or sour cream. Enjoy your delicious Mushroom Frittata!
How to Serve Mushroom Frittata
Mushroom frittata is a versatile dish that can be enjoyed in various ways. Whether you’re serving it for breakfast, brunch, or even dinner, there are plenty of options to enhance the experience.
Fresh Herbs
- Basil or Chives: Sprinkle fresh basil or chives on top of the frittata for a burst of flavor.
Salsas
- Tomato Salsa: A fresh tomato salsa adds a zesty kick that complements the savory frittata.
Avocado Slices
- Creamy Avocado: Serve slices of avocado alongside the frittata for a creamy texture and healthy fats.
Hot Sauce
- Spicy Kick: Drizzle your favorite hot sauce over the frittata for those who enjoy some heat.
Cheese Garnish
- Extra Cheese: Add more shredded cheese on top right before serving for an indulgent touch.
Greens Salad
- Mixed Greens: Pair with a simple mixed greens salad dressed lightly with olive oil and vinegar for freshness.
How to Perfect Mushroom Frittata
Creating the perfect mushroom frittata involves attention to detail. Here are some tips to ensure your frittata turns out great every time.
- Vegetables: Use vibrant, fresh vegetables to enhance flavor and color.
- Whisk Well: Make sure to whisk your eggs thoroughly for a fluffy texture.
- Check Doneness: Always check the center with a toothpick; it should come out clean when fully cooked.
- Let It Rest: Allow the frittata to cool slightly before slicing; this helps maintain its shape.
- Experiment with Cheese: Feel free to mix different cheeses for varied flavors and textures.
- Use a Nonstick Pan: A nonstick pan ensures easy removal and prevents sticking.
Best Side Dishes for Mushroom Frittata
Serving sides can elevate your mushroom frittata experience. Here are some excellent side dishes that pair well.
- Mixed Fruit Salad: A refreshing fruit salad offers sweetness and balances the savory frittata.
- Roasted Potatoes: Crispy roasted potatoes provide a hearty addition that complements the dish nicely.
- Greek Yogurt: A dollop of Greek yogurt adds creaminess and tang, enhancing your meal.
- Toast or Bagels: Serve with toasted bread or bagels for a satisfying crunch alongside the soft frittata.
- Sauteed Spinach: Lightly sautéed spinach adds extra nutrients and complements the flavors in the frittata.
- Breakfast Sausages: For meat lovers, breakfast sausages add protein and heartiness to your plate.
- Grilled Asparagus: Grilled asparagus brings a smoky flavor that pairs beautifully with mushroom frittata.
- Pickled Vegetables: Serve pickled veggies on the side for a tangy crunch that enhances each bite.
Common Mistakes to Avoid
When making your Mushroom Frittata, avoiding common mistakes can elevate your dish from good to great. Here are some pitfalls to watch out for:
- Skipping the Preheat: Failing to preheat your oven can lead to uneven cooking. Always allow your oven to reach the desired temperature before baking.
- Overcrowding with Vegetables: Adding too many vegetables can make your frittata soggy. Stick to the recommended amounts for the best texture.
- Not Whisking Eggs Properly: If you don’t whisk the eggs well, you may end up with an uneven texture. Ensure you mix them until fully combined and frothy.
- Ignoring Cooking Times: Baking for too long or too short affects doneness. Keep an eye on it and use a toothpick test for perfect results.
- Using the Wrong Pan: A pan that isn’t suitable for oven use can ruin the dish. Opt for a quiche pan or pie dish that’s oven-safe.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container.
- It lasts up to 3-4 days in the fridge.
Freezing Mushroom Frittata
- Wrap tightly in plastic wrap or aluminum foil.
- Can be frozen for up to 2 months.
Reheating Mushroom Frittata
- Oven: Preheat to 350°F and heat for about 15-20 minutes until warm.
- Microwave: Use medium power and heat slices for 1-2 minutes, checking frequently.
- Stovetop: Heat in a skillet over low heat until warmed through.
Frequently Asked Questions
What is a Mushroom Frittata?
A Mushroom Frittata is a baked egg dish that includes mushrooms and various vegetables, creating a delicious breakfast option.
Can I customize my Mushroom Frittata?
Yes! Feel free to add other veggies, meats, or cheeses according to your taste preferences.
How do I know when my Mushroom Frittata is done?
The frittata is done when a toothpick inserted in the center comes out clean and the edges are slightly golden.
Is this Mushroom Frittata recipe healthy?
Yes! This frittata is packed with nutrients from vegetables and provides a good protein source from eggs.
Final Thoughts
The Mushroom Frittata is a fantastic choice for breakfast or brunch, offering both flavor and versatility. It’s easy to customize with your favorite ingredients, making it perfect for any occasion. Try it today and enjoy a delightful meal that everyone will love!

Mushroom Frittata
- Total Time: 1 hour
- Yield: Serves 8
Description
Mushroom Frittata is a delightful and versatile dish that combines the rich flavors of sautéed vegetables with creamy eggs, making it an ideal choice for breakfast, brunch, or even a light dinner. This recipe features nutritious ingredients like spinach, cherry tomatoes, and mushrooms, which not only enhance the flavor but also add a healthy twist to your meal. Easy to prepare and customizable to fit any occasion, this frittata is perfect for using up leftover vegetables while impressing your guests. Enjoy it warm with your favorite toppings for a satisfying culinary experience.
Ingredients
- 1 cup diced yellow onion
- 1 cup chopped baby spinach
- 1 cup cherry tomatoes (halved)
- ½ cup shredded mozzarella cheese
- ½ cup sliced mushrooms
- 8 large eggs
- ½ cup heavy cream
Instructions
- Preheat the oven to 350°F and spray a quiche pan with nonstick cooking spray.
- Layer diced onion and spinach in the prepared pan.
- Add cherry tomatoes, cheese, and mushrooms.
- In a bowl, whisk together eggs and cream until combined; season with mustard, garlic powder, salt, and pepper.
- Pour the egg mixture over the vegetables.
- Bake for 40-45 minutes until set; check doneness using a toothpick.
- Let cool slightly before slicing and serve warm.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Category: Breakfast & Brunch
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice (approximately 110g)
- Calories: 192
- Sugar: 2g
- Sodium: 320mg
- Saturated Fat: 7g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 6g
- Fiber: 1g
- Protein: 10g
- Cholesterol: 286mg