Asparagus Mushroom Frittata
Our asparagus and mushroom frittata is savory, cheesy, and absolutely bursting with fresh veggies. Easy to make, it’s one of our favorite ways to take advantage of spring produce and keeps well for meal prep! Plus, it makes for an impressive, crowd-pleasing brunch with minimal effort.

What is a Frittata?
A frittata is an Italian egg-based dish, sometimes referred to as a crustless quiche. It features a whisked, eggy, custard-like mixture with mix-ins like cheese, meat, and veggies. Unlike omelettes, frittatas cook on the stove and are then finished in the oven. They aren’t quiches, though, because they’re made without crusts.
Ingredients You’ll Need
Please be sure to scroll down to the recipe card for the complete details!
- Oil – We use olive oil, but avocado oil or butter will also work.
- Veggies – Red onion, mushrooms, and asparagus form the bulk of the filling.
- Eggs – You’ll need eight large eggs for the filling. Technically, egg whites will work, but we prefer the richer flavor of the whole yolks.
- Milk – This creates a smooth, custard-like filling. Whole milk will provide the richest flavor and creamiest consistency, but any milk will work.
- Garlic – Use fresh minced garlic for teh best taste!
- Seasonings – Salt, black pepper, and Italian seasoning add a savory, herbaceous taste.
- Cheese – Crumbled feta cheese adds a salty, tangy flavor.
How to Make an Asparagus Mushroom Frittata
- Sauté. Heat oil in a skillet over medium heat, and sauté the veggies until they begin to soften. Add the garlic, and cook until aromatic. Be careful not to let it burn!
- Whisk the wet ingredients. Add the eggs, milk, and seasonings to a large bowl. Whisk until smooth. Then, add the cheese, and fold to distribute.
- Cook. Pour the egg mixture into the skillet with the veggies, and cook until the edges begin to set. Then, transfer the mixture to the oven, and cook until lightly golden.
- Serve. Cool slightly, and getcha some of that!
Possible Variations
- Veggies – Add to or replace the vegetables with anything you have on hand. Spinach, tomatoes, broccoli, zucchini, and bell peppers make great options.
- Seasonings – Add oregano or basil. Or, replace the seasonings with cumin and smoked paprika, dill, parsley, chives, or thyme.
- Cheese – Replace the feta with cheddar, mozzarella, goat cheese, Swiss cheese, or Gruyère.
- Meat – Make this asparagus mushroom frittata even more filling by including chicken, bacon, leftover glazed ham, or breakfast sausage.
Serving Suggestions
We prefer to serve our frittatas warm, but they’re also great cold. Add toppings like salsa, guacamole, sliced avocado, or fresh herbs. Then, pair it with sides like fresh fruit, a light salad, bacon, sausage, garlic roasted potatoes, or toast.
How to Store
Once cool, transfer leftovers to an airtight container and store them in the refrigerator for up to four days. To serve, warm in the microwave or oven just until heated through.

Asparagus Mushroom Frittata
Ingredients
- 1 Tablespoon olive oil
- ½ cup red onion chopped
- 8 ounces mushrooms
- 6 ounces asparagus chopped
- 8 large eggs
- ½ cup whole milk
- 3 teaspoons minced garlic
- 1 teaspoon salt
- ½ teaspoon black pepper
- 1 teaspoon Italian seasoning
- ½ cup feta cheese
Instructions
- Preheat the oven to 350°F.
- Heat oil in a large, oven-safe skillet over medium heat. Add the chopped veggies, and cook until softened, 3-5 minutes. Add the garlic, and cook another 30 seconds or until fragrant.
- In a large bowl, whisk the eggs, milk, and seasonings until smoth. Then, fold in the cheese.
- Spread the sautéed veggies in an even layer in the skillet, and pour the whisked egg mixture on top.
- Cook over medium heat until the edges are set, about 5-10 minutes.
- Transfer the skillet to the oven, and bake at 350°F for 25-30 minutes or until t the egg mixture is set.
- Cool, portion, and getcha some of that!
Notes
Nutrition
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We love this one for weekend brunches!