
Low Carb Vegetarian Recipes: Spinach Feta Egg Skillet
45 min total6 servings16.1g protein268 kcal8.4g carbs19.2g fat
- Vegetarian
- Low-carb
These low carb vegetarian recipes need one dependable starting point, and this spinach feta egg skillet is built for that job. Eggs anchor the pan with substantial protein, while zucchini, spinach, and herbs keep the flavors fresh rather than heavy. It is a protein-forward dinner that also works when breakfast needs more structure.
The method uses one ovenproof skillet, so vegetables soften, eggs set, and feta browns without a separate casserole dish. Keep it for meatless nights when you want practical portions and a meal that does not depend on low-carb bread. Each serving: 16.1g protein, 268 calories.
Why this works
- The vegetables are added in stages: zucchini gets time to release moisture before spinach enters, preventing a watery egg base and keeping each wedge easier to lift.
- Ricotta gives the eggs a tender interior, while divided feta creates both salty pockets throughout the skillet and a browned finish across the top.
- The recipe uses familiar produce, eggs, and cheese rather than packaged replacements. That makes it easier to plan around grocery staples and adjust the vegetables with what is already in the crisper.
Ingredients

- 2 tablespoons olive oil (27 g)
- 2 medium zucchini, diced (450 g)
- 1 small yellow onion, diced (150 g)
- 3 cloves garlic, minced (9 g)
- 8 large eggs (400 g)
- 1/2 cup whole-milk ricotta (120 g)
- 1 cup crumbled feta cheese (150 g)
- 4 packed cups baby spinach (120 g)
- 1/4 cup chopped basil (10 g)
- 1 teaspoon dried oregano (1 g)
- 1/2 teaspoon kosher salt (3 g)
- 1/4 teaspoon black pepper (1 g)
- 1 tablespoon lemon juice (15 g)
Ingredient notes
- Zucchini is the main vegetable volume here, but it needs a few minutes in the skillet before the eggs go in. Dice it fairly small, around 1/2 inch, so it softens evenly and does not leave oversized firm pieces in each slice.
- Yellow onion provides a sweeter base than scallions and holds up during the oven finish. Cut it to match the zucchini size; large pieces can remain distinct after the eggs have set.
- Baby spinach wilts quickly, so add it only after the zucchini has lost its raw look. Press excess water from washed spinach before measuring if it is noticeably wet from rinsing.
- Whole-milk ricotta loosens the egg mixture and makes the center less dense. Stir it into the beaten eggs thoroughly, leaving only small curds instead of large unmixed pockets.
- Choose feta packed in brine when possible, then crumble it yourself for irregular pieces that distribute well. Reserve some for the surface, where it dries slightly and picks up color in the oven.
How to make Spinach Feta Egg Skillet
Heat the oven
Set an oven rack in the center position and heat the oven to 375°F. Place a 10-inch ovenproof skillet over medium heat while you dice the zucchini and onion. Gather the remaining ingredients beside the stove so the vegetables and egg mixture can move into the pan without delay.
Soften the zucchini
Add olive oil, zucchini, onion, salt, pepper, and oregano to the hot skillet. Cook for 8 to 10 minutes, stirring every minute or two, until the onion is translucent and the zucchini is tender with lightly browned edges. Add garlic during the final minute so it becomes fragrant without darkening.

Wilt the spinach
Add spinach by handfuls, turning it through the hot vegetables until it collapses. Continue cooking for about 2 minutes, just until the pan no longer has visible puddles of liquid. Spread the vegetables into an even layer, which gives the egg mixture a consistent thickness from center to edge.

Mix the custard
Whisk eggs, ricotta, basil, lemon juice, and half the feta in a bowl until the ricotta is mostly smooth. Pour the mixture slowly over the vegetables. Use a spatula to nudge zucchini pieces into an even pattern, then scatter the remaining feta over the surface.
Bake until set
Transfer the skillet to the oven and bake for 16 to 20 minutes. The center should look set rather than liquid when the skillet is gently moved, and the top should have light golden spots. Let the skillet stand on a heatproof surface for 8 minutes before cutting.
Cut and portion
Run a thin spatula around the skillet edge, then cut the egg skillet into six wedges. Lift each wedge carefully, using a broad spatula to support the tender center. Serve it hot, or cool the wedges completely before packing them into individual containers for later meals.
The recipe
Spinach Feta Egg Skillet
PrintA skillet-baked vegetarian egg dinner with zucchini, spinach, ricotta, and feta, designed for clean wedges, flexible serving, and a substantial meatless meal without specialty ingredients at home tonight.
Course: Breakfast or Dinner · Cuisine: Other
- Prep
- 15 min
- Cook
- 30 min
- Total
- 45 min
- Yield
- 6 servings
Nutrition Facts
Per serving. Recipe yield: 6 servings.
- Calories
- 268 kcal
- Protein
- 16.1 g
- Carbs
- 8.4 g
- Fat
- 19.2 g
- Fiber
- 1.8 g
- Sugar
- 3.4 g
- Sodium
- 614 mg
For 2 servings, scaled from the per-serving figures. Recipe yield: 6 servings.
- Calories
- 536 kcal
- Protein
- 32.2 g
- Carbs
- 16.8 g
- Fat
- 38.4 g
- Fiber
- 3.6 g
- Sugar
- 6.8 g
- Sodium
- 1228 mg
For 3 servings, scaled from the per-serving figures. Recipe yield: 6 servings.
- Calories
- 804 kcal
- Protein
- 48.3 g
- Carbs
- 25.2 g
- Fat
- 57.6 g
- Fiber
- 5.4 g
- Sugar
- 10.2 g
- Sodium
- 1842 mg
Ingredients
Instructions
- Prepare oven and skillet. Set an oven rack in the center and heat oven to 375°F. Heat olive oil in a 10-inch ovenproof skillet over medium heat. Keep a bowl nearby for whisking the eggs.
- Cook vegetables. Add zucchini, onion, oregano, salt, and pepper. Cook for 8–10 minutes, stirring regularly, until onion is translucent and zucchini is tender with browned edges. Stir in garlic for the final minute, just until fragrant.
- Wilt spinach. Add spinach in batches, turning each handful through vegetables until wilted. Cook about two minutes, until visible moisture evaporates. Spread vegetables into an even layer across skillet base.
- Mix egg custard. Whisk eggs, ricotta, basil, lemon juice, and half feta until mostly smooth. Pour mixture over vegetables, nudging zucchini into an even layer. Scatter remaining feta across surface.
- Bake until set. Bake for 16–20 minutes, until center looks set when skillet is gently moved and feta has light golden spots. Rest skillet eight minutes on a heatproof surface before slicing.
- Slice and serve. Run a thin spatula around skillet edge, then cut six wedges. Lift each wedge with a broad spatula, supporting the tender center. Serve warm with tomatoes, avocado, or crisp greens cleanly.
Notes
- A 10-inch skillet makes six substantial wedges. In a wider pan, thinner eggs set faster, so begin checking center early.
- For make-ahead prep, dice zucchini and onion, crumble feta, and measure seasonings ahead. Refrigerate eggs separately until cooking for safety.
- Refrigerate leftovers within two hours and use within three to four days. Reheat until hot throughout; microwave edges may soften.
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Tips
- Use a 10-inch cast-iron or other ovenproof skillet for the stated baking time. A wider skillet spreads the eggs thinner, while a smaller skillet makes the center take longer to set and changes the wedge size.
- Do not rush the zucchini stage. If the vegetables still look glossy and wet before the eggs are added, keep cooking briefly. Excess moisture can collect beneath the egg layer and make the finished wedges fragile.
- Whisk the ricotta into the eggs before it reaches the skillet. Adding it directly to hot vegetables can leave larger curds and an uneven texture through the center of the dish.
- Rest the skillet after baking, even when dinner is waiting. Those few minutes let the eggs firm enough to cut cleanly, especially around the vegetable-heavy outer edges.
Substitution
For a sharper Mediterranean direction, replace basil with dill and add chopped roasted red peppers after the spinach wilts. For more heat, use red pepper flakes with the oregano, then finish with extra lemon. Mushrooms can replace half the zucchini, but cook them until their liquid evaporates before adding the onion. For a heartier plate, fold in cooked lentils, understanding that they change the recipe’s carbohydrate balance. Goat cheese can stand in for feta, giving a creamier and less salty finish.
Serving and storage
Serve a warm wedge with sliced tomatoes dressed in olive oil and vinegar, or add cucumber ribbons with fresh herbs for a cool contrast. At breakfast, pair it with avocado and a spoonful of salsa verde. For dinner, build plates around roasted asparagus, green beans, or a simple arugula salad. The skillet also works as a lunch component beside olives, radishes, and a lemony yogurt sauce. Cut the wedges only after resting for neater portions.
Storage
Cool leftover wedges, then place them in covered containers and refrigerate for 3 to 4 days. Reheat one wedge at a time in a 325°F oven until warmed through, or use a covered skillet over low heat with a small splash of water. The microwave works for a quick lunch, though the edges will be softer. For freezing, wrap individual cooled wedges and freeze for up to 2 months. Thaw overnight in the refrigerator before reheating. Assemble the vegetables and egg mixture separately one day ahead, then combine and bake when needed.

Questions people ask
Can I use frozen spinach instead of fresh?
Yes. Thaw it completely, squeeze out as much liquid as possible, and use about 1 cup packed. Add it after the zucchini and onion have cooked, then stir only until it is evenly distributed. Frozen spinach changes the texture slightly but still works well in the egg base.
What skillet works if I do not own cast iron?
Use any 10-inch ovenproof skillet with a metal handle. If your skillet cannot go in the oven, transfer the cooked vegetables to a greased 9-inch pie dish, pour in the egg mixture, and bake until the center is set. The baking time may vary slightly.
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Before you go
Put this skillet on the list for the next meatless dinner or structured breakfast week. The ingredient list is short enough for an ordinary grocery run, and the method leaves room for herbs or vegetables you already have. Save the recipe with your egg-based meals, then portion the cooled wedges for lunches that need a reliable savory option.

Save this for later
Spinach Feta Egg Skillet
Tags
- low-carb-vegetarian
- vegetarian-eggs
- spinach
- feta-cheese-casserole-style
Sources
- Leftovers keep 3 to 4 days in the refrigerator, and perishable food should be refrigerated within 2 hours.Leftovers and Food Safety | Food Safety and Inspection Service
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