Make ahead baked eggs are fantastic for a no muss, no fuss vegetarian brunch on the weekend. Plus, sneak in your veggies first thing in the day!

Make-ahead baked eggs are a staple around here. While they're fancy enough for weekend brunch with friends, they work equally well for weekday breakfast. Or serve them with your favorite salad (for me, that's an Apple Pecan Salad) for a light dinner.
While I'm usually content with a simple breakfast like my favorite yogurt parfait or my newest obsession, whole wheat toast with peanut butter, banana and a sprinkle of cinnamon. But sometimes I want something hot and a little more substantial.
Baked eggs fit the bill every time. These zucchini and Gruyere eggs are individually baked in ramekins, but crustless quiches are also good make-ahead options. Crustless Broccoli Quiche and Southwestern Crustless Quiche are a couple of our favorites.
Ingredients and Substitutions
- Eggs: I used a combination of eggs and egg whites.
- Zucchini: Grate the zucchini. Yellow squash is a good substitution.
- Onion: Half of a yellow onion.
- Cheese: I love the nutty taste and creamy texture of Gruyere. Feel free to substitute with sharp Cheddar cheese or a combination of Gouda and Parmesan cheeses.
- Parsley: For garnishing.
How to make baked eggs
- Preheat the oven to 400 degrees F, with the oven rack set in the middle of the oven. Lightly two 6-ounce ramekins with cooking spray. This recipe is easy to double, triple or even quadruple if you're serving guests or want to prep a few weekday breakfasts at a time.
- Sauté the chopped onion in a little olive oil in a medium-sized skillet. Medium heat should do the trick. Cook until the onions start to brown slightly, then add the grated zucchini and cook another couple of minutes.
- Divide the zucchini mixture evenly between the ramekins and top with grated Gruyere cheese. So nutty and delicious!
- Whisk together the eggs, egg white and water. Pour the mixture over the vegetables and cheese in the ramekins. Season with salt and pepper.
- Place the ramekins on a baking sheet and transfer to the oven.
- Bake until the eggs are set and just starting to brown, about 20 minutes. To test, insert a small, sharp knife into the center of the eggs. When the eggs are set, the knife should come out clean. Garnish with minced parsley and serve them up!


Make-Ahead and Storage
There are two make-ahead options:
- Uncooked version: Sauté the vegetables, whisk the eggs and grate the cheese, then cover and store each separately in the fridge. Before serving, assemble everything and bake.
- Cooked version: Bake the eggs as directed in the recipe. Let them cool to room temperature, then cover and store in the refrigerator. According to the FDA, baked eggs can be stored in the refrigerator for up to 3 to 4 days.
To heat baked eggs, pop them into the microwave for 1 to 2 minutes. Make sure that your ramekins are microwave-safe!

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Make-Ahead Baked Eggs with Zucchini & Gruyere Cheese
Ingredients
- 3 teaspoons olive oil
- ½ onion chopped
- ½ cup grated zucchini
- 3 eggs
- 1 egg white
- 2 tablespoons water
- ¾ ounces Gruyere cheese grated
- ⅛ teaspoon salt
- ⅛ teaspoon ground pepper
- 2 teaspoons minced flat-leaf parsley for garnish
Instructions
- Preheat the oven to 400 degrees F. Lightly coat two 6-ounce ramekins with cooking spray.
- Heat the olive oil in a medium skillet set over medium heat.
- Add the onion and cook until softened and just starting to brown, 5 to 6 minutes. Add the zucchini and cook for 2 additional minutes.
- Divide the vegetable mixture evenly between the two ramekins. Top with the Gruyere cheese.
- In a small bowl, whisk together the eggs, egg white and water. Pour the mixture over the vegetables in the ramekins. Season with salt and pepper.
- Place the ramekins on a baking sheet and transfer to the oven.
- Bake until the eggs are set and just starting to brown, about 20 minutes.
- Garnish with parsley. Serve.
Notes
Nutrition
This post was first published on July 22, 2016 and updated on July 18, 2024.
Disclosure: I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for me to earn fees by linking to Amazon.com and affiliated sites.








Frances
Wonderful and look festive in a ramakin. ( I have some cute heart shapped stoneware ones) I chopped the zucchini very small as didn't feel like getting out processor and it was just fine. To save a few calories used less cheese. I actually am going to turn around and make some more of them!
Susan
Just found your site.. Looking forward to receiving the recipes. Added ingredients for the vegetable soup and the baked eggs. to grocery list, Will definitely try both in my Instant Pot.
Mari
Not a huge zucchini fan, would this work with mushroom and tomato combo?
Angie | Big Bear's Wife
I'm like you, during the week I'm totally fine with a simple breakfast but man oh man do I see myself making this on the weekend!
Sharon @ What the Fork Food Blog
These look so yummy! Brunch is calling my name!!
Dee
I would love to have these for breakfast on the weekend!
Michelle De La Cerda
These look delightful. I'd love to wake up to these for breakfast.
Cathy @ NoblePig
These look crazy nice for Sunday brunch.