Spring Vegetable Brunch Frittata

Highlighted under: Fall Cooking | Harvest Food

On a sunny Sunday morning, I decided to have a little brunch gathering with friends. We were all craving something light and fresh, and this frittata was just the ticket. I remember being a bit nervous the first time I made it, worried it would stick to the pan or turn out rubbery. But it ended up being a hit, and we've made it for brunches ever since. The best part is you can throw in whatever veggies you have lying around and it always turns out delicious.

Created by

The Thomascookbook Team

Last updated on 2026-03-25T18:43:10.882Z

The first time I made this frittata, I completely misjudged the heat and ended up with a bit of a soupy mess in the middle. It turns out, cooking it too fast made the outside cook while the inside stayed way too soft. Now, I lower the heat and take my time, and it always comes out nice and fluffy.

Since then, this dish has become a staple for brunch. You can easily swap out veggies based on what’s in the fridge, and I’ve played around with different cheeses too. Honestly, if you don’t have asparagus, throw in some spinach or whatever greens look good to you. It’s a wonderfully flexible recipe that’s hard to mess up.

The Best Part

It uses up leftover vegetables from the fridge
Perfect for meal prep and keeps well in the fridge
Makes a great centerpiece for a casual gathering

Choosing Your Ingredients

For this frittata, freshness really matters, especially when it comes to the vegetables. Asparagus, cherry tomatoes, and spinach are great indicators of spring, but don't feel stuck to just those. If you have leftover broccoli or some zucchini that needs to be used up, toss those in instead. The key is to cut everything into small, even pieces so they cook uniformly. I often add in some garlic or herbs if I have them on hand, because why not add a little extra punch?

And let’s talk cheese. I love using sharp cheddar here because it melts beautifully and adds a nice tangy bite. However, if you’re looking to keep it lighter, you can use a bit less cheese or even try a softer cheese like feta. Trust me, either way you’re in for a tasty treat.

A Quick Note on Spring Vegetable Brunch Frittata

If you're worried about the frittata sticking to your skillet, one little tip is to make sure it’s really well-greased before you pour in the egg mixture. I usually give it a good coat of olive oil before adding any veggies. It helps everything slide out nicely when it's time to serve. Honestly, I’ve had a few disasters with things sticking, and it’s never fun to deal with egg leftovers in the pan.

Also, keep in mind that ovens can be finicky. Mine tends to run a bit hot, so I always check the frittata a few minutes before the timer goes off. If the top is golden and just set, it’s best to take it out before it gets overcooked. If it’s slightly jiggly in the center, that’s okay too, as it will continue cooking a bit after it comes out of the oven.

Ingredients

Frittata Base

8 large eggs
1/2 cup whole milk
1 teaspoon Diamond Crystal kosher salt
1/4 teaspoon black pepper
1 tablespoon olive oil

Spring Vegetables

1/2 cup diced asparagus
1/2 cup cherry tomatoes, halved
1/2 cup bell pepper, diced
1/4 cup diced red onion
1/2 cup fresh spinach, roughly chopped
1/2 cup shredded cheddar cheese

Instructions

Preheat and Whisk

Start by preheating your oven to 375°F (190°C). In a large bowl, whisk together the eggs, milk, salt, and pepper until it’s well combined. No need to overthink it, just make sure those yolks are broken up.

Sauté the Veggies

In a large, oven-safe skillet, heat the olive oil over medium heat. Add the onion and bell pepper, cooking until they soften, which takes about 5 minutes. Then toss in the asparagus and cook for another 3-4 minutes. You want them to be tender but not mushy.

Add Tomatoes and Cheese

Stir in the halved cherry tomatoes and spinach, letting them wilt for a minute. Then sprinkle half of the cheese over the veggies. This will help the frittata hold together better.

Pour and Bake

Pour the egg mixture into the skillet over the veggies, and gently stir to combine everything. Sprinkle the remaining cheese on top. Transfer the skillet to the oven and bake for about 20 minutes. You’ll know it’s ready when the edges pull away from the pan and the center looks set.

Cool and Serve

Once it’s done, take it out of the oven and let it cool for a few minutes before slicing. I usually cut it into wedges, and it’s delicious hot or at room temperature.

Pro Tips

If you're short on time, you can use frozen vegetables. Just make sure to thaw and drain them first.
Feel free to swap the cheese for something like feta or goat cheese for a different taste.
This frittata reheats well in the microwave, making it great for breakfast throughout the week.

What to Serve with Spring Vegetable Brunch Frittata

For brunch, I usually pair the frittata with a simple salad to balance things out. Something light, like a lemony arugula salad, complements the frittata beautifully. You might also want to serve it with fresh fruit or some crusty bread—it's a total winner. A little sprinkle of microgreens on top of each serving adds a nice touch, both visually and in taste.

If you want to push the brunch feel, some sparkling water with a slice of lemon or a light mimosa can really round things out. Just keep it casual and refreshing, and your friends will be chatting over the table long after the last bite.

Make-Ahead Tips

You can make this frittata ahead of time, which is super handy for busy mornings or if you’re planning a gathering. Once it’s baked and cooled, just cover it tightly and store it in the fridge for 3 to 4 days. It heats up wonderfully in the microwave, or you can warm it up in the oven at 350°F (175°C) for about 10 minutes, which helps keep the edges from getting rubbery.

If you want a snack or easy breakfast option during the week, these slices can even be frozen. Just make sure to wrap them up well, and when you’re ready to enjoy, pop them in the fridge the night before to thaw. You may find yourself reaching for a slice more often than you expected—it's great to have on hand!

Questions About Recipes

→ Can I use egg substitutes?

You can, but I wouldn't recommend it for this recipe. The texture won't be the same, and you'll miss out on that nice fluff.

→ What other veggies can I add?

Honestly, pretty much anything goes! Zucchini, mushrooms, or even some leftover roasted veggies work well.

→ How do I know if the frittata is done?

It should be set in the center and lightly golden around the edges. A toothpick inserted should come out clean.

→ Can I make this ahead of time?

Definitely! It holds up well, so you can make it a day ahead. Just reheat slices in the oven or microwave.