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    Home » Keto Recipes » Keto Zucchini Casserole (Creamy and Cheesy)

    Keto Zucchini Casserole (Creamy and Cheesy)

    Updated March 2, 2022 • Posted on March 3, 2022 by Jennifer • Leave a Comment

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    Best Keto Zucchini Casserole Recipe

    This cheesy zucchini casserole is a keto-friendly casserole that is perfect for dinner. Crispy on the outside, with a creamy cheesy inside packed with mozzarella, feta cheese and fresh zucchini.

    Keto Zucchini Casserole
    Table of Contents
    • Low Carb Zucchini Casserole
    • Why You'll Love Keto Cheesy Zucchini Casserole
    • Cheesy Zucchini Casserole Ingredients
    • How To Make Baked Zucchini Casserole
    • Storage Instructions
    • More Keto Zucchini Recipes
    • Low Carb Zucchini Casserole Recipe

    Low Carb Zucchini Casserole

    We LOVE keto zucchini recipes and this healthy zucchini casserole is one of our favorites.

    This cheesy keto zucchini casserole is crispy on the outside, and creamy and cheesy on the inside. Naturally, zucchini casseroles can be made with any type of cheese as long as it’s combined with a liquid element.

    In this casserole we used sour cream, feta and mozzarella cheese. The sour cream provides a great texture and tang while the feta cheese turns rich and buttery in the oven. Mozzarella was added as it pairs well with basically anything and melts really well into this mouth-watering casserole dish.

    Looking for more zucchini recipes? Try our zucchini hash browns or healthy baked zucchini fries!

    Cheesy keto zucchini casserole on a plate

    Why You'll Love Keto Cheesy Zucchini Casserole

    • Crispy, creamy and loaded with cheese!
    • Healthy ingredients
    • Only 7.1 grams of net carbs!!

    Cheesy Zucchini Casserole Ingredients

    This delicious low carb zucchini casserole only requires 9 ingredients to make. For the full ingredient amounts and details check out the recipe card below.

    Cheesy Zucchini Casserole Ingredients
    • Zucchini
    • Sour cream
    • Cheese
    • Red onion
    • Garlic
    • Butter
    • Seasonings

    How To Make Baked Zucchini Casserole

    Step 1

    Preheat your oven to 425 degrees Fahrenheit (220 degrees Celsius) and grease a baking dish with butter.

    Step 2

    Patting zucchini slices dry with a cloth after using salt to draw out excess water

    Cut the zucchini into ¼ inch thick slices, place them in a strainer and season them with salt. Set aside while you follow the next steps as the salt extracts excess water.

    Step 3

    A red onion roughly sliced to add to the zucchini casserole

    Roughly slice the onion and heat butter in a saucepan over a medium high heat. Sauté the onion for 5 minutes, then add the minced garlic and season with salt and pepper. Cook for another minute until fragrant and then pour in the sour cream.

    Simmer for another 2-3 minutes over medium heat and then turn off the heat. Add the feta and mozzarella cheese and stir them into the mixture.

    Step 4

    Zucchini slices placed in a layer in a greased baking dish

    Pat the zucchini slices dry with a paper towel or cloth. Lay the zucchini slices into the greased baking dish.

    A feta, mozzarella, red onion, sour cream and garlic sauce poured over sliced zucchini ready to bake

    Next, pour over the cheesy sauce mixture.

    Step 5

    A delicious creamy zucchini casserole made with fresh zucchini, mozzarella and feta

    Bake the zucchini casserole for around 15 to 20 minutes in the preheated oven until golden brown. Slice and serve hot directly from the oven.

    Storage Instructions

    In the fridge: Any leftover keto zucchini casserole can be stored in an airtight container in the fridge for up to 4 days. Simply reheat it in the oven or microwave when you're ready to eat it.

    Do not freeze: Unfortunately, you cannot freeze a zucchini casserole because of the high water content.

    More Keto Zucchini Recipes

    • Creamy Zucchini Alfredo
    • Easy Zucchini Bread
    • Baked Zucchini Balls
    • Healthy Zucchini Boats
    Keto Zucchini Casserole

    Low Carb Zucchini Casserole Recipe

    Pin It Print
    Course: Dinner, Side Dish
    Cuisine: American
    Net Carbs: 7.1
    Prep Time: 15 minutes
    Cook Time: 40 minutes
    Servings: 6
    Calories: 193kcal

    Ingredients 

    • 4 large Zucchinis cut into ¼-inch thick slices
    • 1 cup Sour Cream
    • ½ cup Feta Cheese crumbled
    • 1 cup Mozzarella Cheese hard, shredded
    • 1 medium Red Onion
    • 3 cloves Garlic
    • 2 tablespoon Butter
    • 1 teaspoon Salt
    • ½ teaspoon Pepper

    Instructions

    • Preheat the oven to 425°F and grease a baking dish with butter. Set aside.
    • Place the zucchini slices in a strainer and season with salt. Set aside while you prepare the rest of the ingredients to help extract any unwanted liquids.
    • Roughly slice the onions and heat the butter in a saucepan. Sauté the onions for 5 minutes, then mince and add the garlic. Season with salt and pepper. Cook for another minute until fragrant and pour in the sour cream. Simmer for 2-3 minutes. Turn the heat off and add the feta and mozzarella cheese. Stir to melt into a sauce.
    • Pat the zucchini slices dry with a piece of absorbent paper.
    • Lay the zucchini slices into the prepared baking dish. Pour in the sauce and spread evenly.
    • Bake for 15-20 minutes in the preheated oven until golden brown. Serve hot, straight from the oven.

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    Notes

    Net Carbs: 7.1g

    Nutrition

    Calories: 193 kcal Carbohydrates: 9 g Protein: 6.3 g Fat: 15.6 g Saturated Fat: 9.9 g Cholesterol: 41 mg Sodium: 617 mg Potassium: 442 mg Fiber: 1.9 g Sugar: 3.6 g Calcium: 138 mg Iron: 1 mg Net Carbs: 7.1 g
    Did you make this recipe?Mention @keto.diet.yum or hashtag #ketodietyum on Instagram so everyone can see the deliciousness!
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    Hi, I'm Jennifer and I am a Keto Addict. I've been super into the Ketogenic Diet ever since I tried it to lose weight. It not only helped with my weight loss goals but also helped me live a more happy, healthy and inspired life.

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