
Baked Feta Egg Breakfast Casserole
A protein-packed baked egg dish with feta, tomatoes, spinach, and herbs.
Quick answer
Baked Feta Egg Breakfast Casserole is a Mediterranean breakfast recipe that takes about 40 min, makes 6 servings, has about 310 calories per serving. Use the ingredients and steps below, or open it in Recipe Genius for guided Cook Mode, timers, serving changes, and a shopping list.
Recommended gear
As an Amazon Associate, Recipe Genius earns from qualifying purchases.

The one tool that makes chopping vegetables, herbs, meat, and meal prep faster.
View on Amazon
Useful for casseroles, cobblers, baked pasta, gratins, enchiladas, and family dinners.
View on Amazon
Keeps homemade mixes, dressings, baking, rice, and seasonings consistent.
View on AmazonBaked Feta Egg Breakfast Casserole ingredients
- 10 large eggs
- 1/2 cup milk
- 6 oz feta cheese, crumbled
- 1 cup cherry tomatoes, halved
- 2 cups baby spinach
- 1/4 cup red onion, finely diced
- 1 tsp dried oregano
- 1 tbsp olive oil
- to taste kosher salt and black pepper
How to make Baked Feta Egg Breakfast Casserole
- Heat oven to 375°F and grease a 9x13-inch baking dish.
- Warm olive oil in a skillet over medium heat. Cook red onion for 2–3 minutes, then add spinach and cook just until wilted. Let cool slightly.
- Whisk eggs, milk, oregano, salt, and pepper in a large bowl until fully combined. Stir in feta, tomatoes, and the spinach mixture.
- Pour into the baking dish and spread the fillings evenly so every slice gets vegetables and cheese.
- Bake 25–30 minutes until the center is set and the edges are lightly golden. Rest 5–10 minutes before slicing.
Baked Feta Egg Breakfast Casserole FAQ
How do I make Baked Feta Egg Breakfast Casserole?
Make Baked Feta Egg Breakfast Casserole by gathering the ingredients below, following the step-by-step instructions, and checking that everything is cooked safely before serving.
What ingredients are in Baked Feta Egg Breakfast Casserole?
The main ingredients include large eggs, milk, feta cheese, crumbled, cherry tomatoes, halved, baby spinach. The full ingredient list is included on this page.
How long does Baked Feta Egg Breakfast Casserole take?
This recipe takes about 40 min, depending on prep speed and kitchen equipment.
How many calories are in Baked Feta Egg Breakfast Casserole?
Recipe Genius estimates about 310 calories per serving. Nutrition is estimated, so use your own labels when precision matters.
More recipes you might like
Browse related collections
Cook smarter with Recipe Genius
Generate recipes, build meal plans, and create shopping lists with Recipe Genius.