Mushroom Frittata – A Delicious, Protein-Packed Breakfast
Looking for a nutritious, easy-to-make breakfast that’s packed with flavor? This Mushroom Frittata is a perfect choice! Whether you’re preparing a healthy breakfast, brunch, or even a light dinner, this dish is low-carb, high-protein, and incredibly satisfying.
This frittata is loaded with savory mushrooms, sweet cherry tomatoes, fresh spinach, and gooey melted cheese, all bound together by a rich, fluffy egg mixture. Best of all, it’s baked in the oven, which means no standing over the stove flipping omelets.
If you’re a meal-prepper, busy parent, or someone looking for a simple yet flavorful dish, this frittata is for you!
Why You’ll Love This Mushroom Frittata
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Easy to make – Just mix the ingredients, pour, and bake!
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Healthy and filling – Packed with protein, vitamins, and minerals.
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Perfect for meal prep – Make it ahead of time and enjoy it throughout the week.
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Versatile – Customize the ingredients to fit your taste.
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Great for any meal – Breakfast, brunch, lunch, or dinner!
Ingredients You’ll Need
For the Frittata:
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1 cup diced yellow onion
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1 cup chopped baby spinach
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1 cup cherry tomatoes, sliced in half
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½ cup shredded mozzarella cheese (cheddar or parmesan also work)
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½ cup sliced mushrooms
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8 large eggs
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½ cup heavy cream (or substitute Greek yogurt or sour cream)
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½ teaspoon ground mustard
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½ teaspoon garlic powder
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½ teaspoon salt
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¼ teaspoon ground black pepper
Kitchen Equipment Needed
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Quiche pan or pie dish – For baking the frittata.
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Mixing bowls – To whisk the egg mixture.
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Whisk – For combining the eggs and cream smoothly.
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Baking sheet – To stabilize the quiche pan.
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Oven mitts – For safe handling.
Step-by-Step Instructions
Step 1: Prepare Your Oven and Baking Dish
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Preheat your oven to 350°F (175°C).
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Spray a quiche pan or pie dish with nonstick cooking spray to prevent sticking.
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Place the quiche pan on top of a baking sheet to make it easier to transfer in and out of the oven.
Step 2: Layer the Vegetables and Cheese
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Add 1 cup diced yellow onion evenly to the baking dish.
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Sprinkle 1 cup chopped baby spinach over the onions.
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Arrange 1 cup sliced cherry tomatoes over the spinach.
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Sprinkle ½ cup shredded cheese on top.
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Add ½ cup sliced mushrooms, spreading them out evenly.
Step 3: Prepare the Egg Mixture
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In a medium mixing bowl, whisk together:
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8 large eggs
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½ cup heavy cream (or Greek yogurt/sour cream)
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½ teaspoon ground mustard
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½ teaspoon garlic powder
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½ teaspoon salt
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¼ teaspoon ground black pepper
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Whisk until smooth and fully combined.
Step 4: Assemble and Bake
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Gently pour the egg mixture into the dish, letting it fill around the vegetables.
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If any vegetables shift, use a fork to rearrange them evenly.
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Place in the preheated oven and bake for 40-45 minutes, or until a toothpick inserted in the center comes out clean.
Step 5: Cool, Slice, and Serve
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Remove the frittata from the oven and let it cool for 5 minutes.
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Slice into wedges and serve with your favorite toppings such as:
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Hot sauce
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Salsa
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Avocado slices
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Sour cream
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Recipe Variations & Substitutions
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Make it dairy-free – Use almond milk or coconut milk instead of heavy cream and omit the cheese.
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Add more protein – Include cooked bacon, ham, or sausage for extra flavor.
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Try different veggies – Bell peppers, zucchini, or asparagus work well.
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Make it spicy – Add a pinch of red pepper flakes or diced jalapeños.
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Switch up the cheese – Feta, goat cheese, or pepper jack can add a unique taste.
How to Store Leftovers
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Refrigerate: Store slices in an airtight container in the fridge for up to 4 days.
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Freeze: Wrap individual slices in plastic wrap and place them in a freezer-safe bag. Freeze for up to 2 months.
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Reheat: Warm in the microwave for 30-60 seconds, or bake at 300°F (150°C) for 10 minutes.
What to Serve with a Mushroom Frittata
This frittata is delicious on its own, but you can make it a complete meal with these side options:
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Crispy toast or a bagel for a crunchy contrast.
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Fresh fruit salad for a light, refreshing balance.
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Roasted potatoes or hash browns for a heartier meal.
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A green salad with a simple vinaigrette.
For drinks, pair your frittata with:
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Fresh orange juice or a smoothie for a nutritious breakfast.
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Coffee or espresso for a perfect morning pick-me-up.
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A mimosa or sparkling wine for a fancy brunch.
Frequently Asked Questions
Can I make this frittata ahead of time?
Yes! You can bake it the night before and reheat it in the morning for a quick breakfast.
Can I use egg whites instead of whole eggs?
Absolutely! Use 10-12 egg whites instead of 8 whole eggs for a lighter version.
How do I know when the frittata is done?
The frittata is ready when a toothpick inserted in the center comes out clean, and the top is golden and slightly puffed.
Can I cook this on the stovetop instead of the oven?
Yes! Cook the frittata over medium-low heat in a greased skillet with a lid for about 15-20 minutes, or until set.
Can I make mini frittatas instead?
Yes! Pour the mixture into a greased muffin tin and bake at 350°F for 20-25 minutes for individual servings.
Final Thoughts
This Mushroom Frittata is a healthy, delicious, and versatile dish that works for breakfast, brunch, or even dinner. It’s packed with flavor, easy to customize, and perfect for meal prep.
If you tried this recipe, leave a comment below and let me know how it turned out! Don’t forget to share this recipe with your friends and family and subscribe to the blog for more easy, delicious recipes.
Enjoy your homemade frittata!
