Zucchini frittata with cheddar cheese is a stovetop egg dish with tender zucchini and a golden finish on both sides. It cooks in one skillet without the oven, making it useful for breakfast, lunch, or a light dinner.
Why You'll Love My Zucchini Frittata
- Golden without the oven: Flipping the frittata cooks both sides directly against the skillet for an evenly colored finish.
- Tender rather than watery: Cooking the zucchini before adding the eggs removes moisture and helps the slices hold together.
- Rich but balanced: Sharp cheddar brings richness, while fresh parsley keeps the egg and zucchini mixture from tasting heavy.
- Flexible serving: Serve the frittata warm, at room temperature, or cold for breakfast, lunch, or a light dinner.
Growing up in Spain, egg-and-vegetable dishes were a familiar part of our table. They were practical, affordable, and satisfying without complicated preparation. This zucchini frittata reminds me of that everyday style of cooking. I flip it like a Spanish tortilla, which gives both sides a golden finish. That connection is why this zucchini frittata still feels natural in my kitchen.
Sharp cheddar gives the eggs a richer flavor, while parsley keeps the finished frittata balanced. The zucchini turns tender, and the slowly cooked eggs form a soft center beneath the golden surfaces. I cook away the zucchini moisture first, so the slices hold together instead of becoming watery. Unlike my baked frittata, this version stays on the stovetop and is turned with a plate. The flip cooks the second side evenly and creates the distinctive finish that makes this method work.
Key Ingredients in Zucchini Frittata
The exact measurements are in the recipe card, but these ingredients determine the flavor and texture.
- Zucchini, onion, and olive oil: I cook the zucchini with onion until tender and let the released moisture evaporate.
- Eggs and whole milk: For me, a little whole milk keeps the egg mixture light while the eggs hold everything together.
- Sharp cheddar cheese: I use sharp cheddar because it melts through the eggs and adds richness without hiding the zucchini.
- Parsley and seasonings: I use fresh parsley for brightness, while kosher salt and black pepper bring the flavors into balance.
How to Make Zucchini Frittata
These four steps show the complete stovetop method. See the recipe card for quantities and detailed timings.
1. Cook the vegetables: Soften the onion in olive oil, then add the zucchini and cook until tender. Let most of the moisture evaporate before cooling the vegetables slightly.
2. Prepare the egg mixture: Whisk the eggs with whole milk and the remaining seasoning, then stir in the sharp cheddar and parsley.
3. Combine the mixtures: Add the cooked zucchini and onion to the eggs and stir until the vegetables are distributed evenly.
4. Cook and flip: Cook the mixture over medium-low heat until golden underneath and mostly set. Flip it with a plate, cook the second side, then rest before slicing.
Tips for the Best Zucchini Frittata
- Slice the zucchini evenly: Similar-size rounds soften at the same rate and distribute more consistently through each slice.
- Shred the cheese from a block: Freshly shredded cheddar melts more smoothly into the egg mixture than pre-shredded cheese.
- Allow the frittata to rest: Five minutes gives the center time to settle and makes the finished frittata easier to slice.
- Choose the serving temperature: Serve it warm for softer cheese or cold when a firmer slice is more convenient.
Storage
I store leftover zucchini frittata in an airtight container in the refrigerator for up to three days. I enjoy it cold or gently reheat individual slices in a skillet over low heat.
What to Serve With Zucchini Frittata
I like serving this zucchini frittata with roasted potatoes when I want something a little more substantial. For a lighter option, a cucumber salad or tomato salad works well alongside it. If I'm serving it for brunch, fresh fruit and a slice of toasted ciabatta or garlic bread make the meal feel complete without much extra effort.
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Recipe
Zucchini Cheddar Frittata
Ingredients
- 4 tablespoons extra virgin olive oil - divided
- 1 large white onion - chopped
- 1½ teaspoons kosher salt - divided
- ½ teaspoons ground black pepper - divided
- 2 medium zucchini - thinly sliced
- 6 large eggs
- 50 ml whole milk
- 150 g sharp cheddar cheese - shredded
- 50 g fresh parsley - finely chopped
Instructions
- Heat 2 tablespoons extra virgin olive oil in a large non-stick skillet over medium heat. Add 1 large white onion, chopped, 1 teaspoons kosher salt, and ¼ teaspoons ground black pepper. Cook for 5-7 minutes, stirring occasionally, until the onion softens.
- Add 2 medium zucchini, thinly sliced. Cook for 8-10 minutes, stirring occasionally, until tender and most of the released moisture has evaporated. Remove the skillet from the heat and let the vegetables cool slightly.
- Whisk 6 large eggs with 50 ml whole milk, the remaining ½ teaspoons kosher salt, and the remaining ¼ teaspoons ground black pepper in a large bowl. Stir in 150 g sharp cheddar cheese and 50 g fresh parsley, finely chopped.
- Add the cooked zucchini and onion to the egg mixture and stir until evenly combined.
- Heat the remaining 2 tablespoons extra virgin olive oil in the skillet over medium-low heat. Pour in the zucchini frittata mixture and spread it evenly.
- Cook for 8-10 minutes, until the bottom is golden and the top is mostly set. Carefully place a large flat plate over the skillet and invert the frittata onto the plate.
- Slide the frittata back into the skillet with the uncooked side facing down. Cook for 5-8 minutes, until fully set and golden underneath.
- Transfer the frittata to a serving plate and let it rest for 5 minutes before slicing and serving.
Notes
Nutrition
Nutritional information is based on third-party calculations and should be considered an estimate only. Actual nutritional content will vary based upon brands used, measuring methods, cooking method, portion sizes, and more.
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