Keto Spinach and Feta Casserole Recipe
Introduction
This Keto Spinach and Feta Casserole is a delicious and satisfying low-carb dish perfect for breakfast, lunch, or dinner. With creamy cheeses and fresh spinach baked to golden perfection, it’s both nutritious and easy to make.

Ingredients
- 4 cups fresh spinach, chopped (or 2 cups frozen spinach, thawed and drained)
- 1 cup crumbled feta cheese
- 4 large eggs
- 1 cup heavy cream
- 1/2 cup shredded mozzarella cheese
- 1/4 cup grated Parmesan cheese
- 2 cloves garlic, minced
- Salt and pepper to taste
- 1 teaspoon dried oregano
Instructions
- Step 1: Preheat your oven to 350°F (175°C).
- Step 2: In a large mixing bowl, whisk together the eggs, heavy cream, garlic, oregano, salt, and pepper until smooth.
- Step 3: Stir in the chopped spinach, crumbled feta, and half of the mozzarella cheese.
- Step 4: Pour the mixture into a greased 9×9-inch baking dish. Evenly top with the remaining mozzarella and Parmesan cheese.
- Step 5: Bake for 30-35 minutes, or until the casserole is set and the top is golden brown.
- Step 6: Allow to cool for a few minutes before slicing and serving.
Tips & Variations
- For extra flavor, add sautéed onions or mushrooms to the spinach mixture before baking.
- Use fresh herbs like dill or basil instead of oregano for a different taste.
- To keep it vegetarian, ensure cheeses are free of animal rennet.
- Substitute Greek yogurt for heavy cream to lighten the dish slightly while keeping creaminess.
Storage
Store leftover casserole in an airtight container in the refrigerator for up to 3 days. Reheat gently in the microwave or oven to avoid drying it out. This casserole can also be frozen for up to 1 month; thaw overnight in the fridge before reheating.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use frozen spinach instead of fresh?
Yes, you can use frozen spinach. Just be sure to thaw it completely and squeeze out excess moisture to prevent the casserole from becoming soggy.
Is this casserole suitable for meal prep?
Absolutely. It reheats well and makes a great protein-packed meal for busy days. Simply portion and store in airtight containers for easy grab-and-go meals.
PrintKeto Spinach and Feta Casserole Recipe
This Keto Spinach and Feta Casserole is a delicious low-carb dish perfect for breakfast, brunch, or a light dinner. Packed with fresh spinach, tangy feta, and creamy cheeses, it combines rich flavors and a satisfying texture in a keto-friendly casserole that’s easy to prepare and bake to golden perfection.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: 6 servings 1x
- Category: Casserole
- Method: Baking
- Cuisine: Mediterranean
- Diet: Low Carb
Ingredients
Vegetables
- 4 cups fresh spinach, chopped (or 2 cups frozen spinach, thawed and drained)
Cheese
- 1 cup crumbled feta cheese
- 1/2 cup shredded mozzarella cheese
- 1/4 cup grated Parmesan cheese
Egg Mixture
- 4 large eggs
- 1 cup heavy cream
- 2 cloves garlic, minced
- 1 teaspoon dried oregano
- Salt and pepper to taste
Instructions
- Preheat the Oven: Preheat your oven to 350°F (175°C) to ensure it’s at the right temperature for even baking.
- Prepare Egg Mixture: In a large mixing bowl, whisk together the eggs, heavy cream, minced garlic, dried oregano, salt, and pepper until fully combined, creating a creamy base for the casserole.
- Add Spinach and Cheeses: Stir the chopped fresh spinach, crumbled feta cheese, and half of the shredded mozzarella cheese into the egg mixture, evenly distributing the ingredients.
- Transfer to Baking Dish: Pour the mixture into a greased 9×9-inch baking dish to prevent sticking, spreading it evenly.
- Add Toppings: Sprinkle the remaining mozzarella cheese and grated Parmesan cheese evenly over the top of the casserole for a golden, cheesy crust.
- Bake the Casserole: Bake in the preheated oven for 30-35 minutes, or until the casserole is set and the top is golden brown, indicating it is cooked through.
- Cool and Serve: Remove the casserole from the oven and allow it to cool for a few minutes for easier slicing and better flavor before serving.
Notes
- For a faster option, use thawed frozen spinach that is well drained to avoid excess moisture.
- Adjust salt carefully as feta and Parmesan are already salty.
- Optional herbs such as fresh dill or basil can be added for additional flavor.
- This casserole can be made ahead and refrigerated; reheat gently before serving.
- Make sure to grease the baking dish well to prevent sticking.
Keywords: keto spinach casserole, feta cheese casserole, low carb casserole, keto breakfast casserole, Mediterranean spinach bake

