Keto Spinach and Feta Casserole Recipe

This Keto Spinach and Feta Casserole is a creamy, flavorful dish perfect for low-carb meals. Packed with fresh spinach and tangy feta, it’s an easy bake that makes a satisfying breakfast, lunch, or dinner.

A baked casserole in a light brown dish, layered with creamy white cheese spread unevenly on top, scattered with cooked green spinach leaves, and finished with a sprinkle of cracked black pepper. The casserole’s surface looks soft and slightly browned at the edges, showing layers of a pale yellow base underneath the cheese and spinach. The dish is placed on a white marbled surface with a soft textured cloth nearby and blurred green leaves and a small white bowl in the background. Photo taken with an iphone --ar 4:5 --v 7

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

  1. Step 1: Preheat your oven to 350°F (175°C).
  2. Step 2: In a large mixing bowl, whisk together the eggs, heavy cream, garlic, oregano, salt, and pepper until well combined.
  3. Step 3: Stir in the chopped spinach, crumbled feta, and half of the mozzarella cheese.
  4. Step 4: Pour the mixture into a greased 9×9-inch baking dish. Evenly top with the remaining mozzarella and Parmesan cheese.
  5. Step 5: Bake for 30-35 minutes, or until the casserole is set and the top is golden brown.
  6. Step 6: Allow the casserole to cool for a few minutes before slicing and serving.

Tips & Variations

  • For extra flavor, add a pinch of crushed red pepper flakes or a sprinkle of fresh dill.
  • Use baby spinach for a more tender texture or kale for a heartier option.
  • Swap out mozzarella for cheddar or gouda to change the cheese profile.
  • If using frozen spinach, make sure it’s fully thawed and squeezed dry to prevent excess moisture.

Storage

Store any leftover casserole covered in the refrigerator for up to 3 days. Reheat individual portions in the microwave or oven until warmed through. This dish can also be frozen for up to 1 month; thaw overnight before reheating.

How to Serve

Two thick layers of spinach and egg frittata are stacked on a white plate with a white marbled surface. The bottom layer is pale yellow with green spinach leaves mixed throughout, showing a soft, fluffy texture. The top layer is similar, with more visible spinach and a slightly browned edge. White crumbled cheese is scattered over both the frittata and the plate, adding a textured contrast. To the side, three dark purple olives create a rich color contrast. A few green herb sprigs add a fresh touch next to the frittata. Photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I make this casserole dairy-free?

You can substitute the cheeses with dairy-free alternatives and use coconut cream instead of heavy cream, but the texture and flavor will be different. Adding nutritional yeast can boost savoriness.

Is this recipe suitable for meal prep?

Yes, this casserole reheats well and makes a convenient meal prep option. Prepare it ahead and portion into containers for quick, low-carb meals throughout the week.

Print

Keto Spinach and Feta Casserole Recipe

This Keto Spinach and Feta Casserole is a creamy, savory dish combining fresh spinach, tangy feta, and rich cheeses baked to perfection. Ideal for a low-carb, ketogenic diet, this casserole is an easy, satisfying meal or side dish packed with flavor and nutrition.

  • Author: Emma
  • Prep Time: 10 minutes
  • Cook Time: 35 minutes
  • Total Time: 45 minutes
  • Yield: 6 servings 1x
  • Category: Casserole
  • Method: Baking
  • Cuisine: Mediterranean
  • Diet: Low Carb

Ingredients

Scale

Vegetables

  • 4 cups fresh spinach, chopped (or 2 cups frozen spinach, thawed and drained)
  • 2 cloves garlic, minced

Dairy & Eggs

  • 1 cup crumbled feta cheese
  • 4 large eggs
  • 1 cup heavy cream
  • 1/2 cup shredded mozzarella cheese
  • 1/4 cup grated Parmesan cheese

Seasonings

  • 1 teaspoon dried oregano
  • Salt and pepper to taste

Instructions

  1. Preheat the oven: Set your oven to 350°F (175°C) to prepare for baking the casserole evenly.
  2. Mix wet ingredients and seasonings: In a large mixing bowl, whisk together the eggs, heavy cream, minced garlic, dried oregano, salt, and pepper until fully combined.
  3. Add spinach and cheeses: Stir in the chopped fresh spinach (or thawed and drained frozen spinach), crumbled feta cheese, and half of the shredded mozzarella cheese. Mix gently to combine all ingredients evenly.
  4. Prepare the baking dish: Grease a 9×9-inch baking dish lightly to prevent sticking. Pour the spinach and cheese mixture into the dish and spread it out evenly.
  5. Add cheese topping: Sprinkle the remaining mozzarella and the grated Parmesan cheese evenly on top of the casserole mixture for a golden, cheesy crust.
  6. Bake the casserole: Place the baking dish in the preheated oven and bake for 30 to 35 minutes, or until the casserole is fully set and the top turns a golden brown color.
  7. Cool and serve: Remove the casserole from the oven and allow it to cool for a few minutes to set further before slicing and serving warm.

Notes

  • Use fresh spinach for best texture, but frozen spinach works well when thawed and thoroughly drained.
  • You can substitute the oregano with Italian seasoning for a different herb flavor.
  • For a nuttier taste, try adding a handful of chopped walnuts on top before baking.
  • This casserole is keto-friendly and suitable for low-carb diets.
  • Store leftovers in an airtight container in the refrigerator for up to 3 days; reheat before serving.

Keywords: Keto casserole, spinach and feta bake, low carb spinach casserole, ketogenic spinach recipe, feta cheese casserole

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