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Main Dishes / Keto Cheesy Spinach Broccoli Casserole Recipe

Keto Cheesy Spinach Broccoli Casserole Recipe

November 10, 2025 von Emily Carter

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Imagine biting into a creamy, cheesy cloud, studded with vibrant green jewels of spinach and broccoli. That’s the Keto Cheesy Spinach Broccoli Casserole Recipe, a dish so comforting and flavorful, it makes you forget you’re even eating something remotely healthy!

This casserole is a symphony of textures and tastes, from the tender broccoli florets to the rich, gooey cheese, all harmonizing to create a dish that’s both satisfying and surprisingly simple to prepare. Perfect for a weeknight dinner or a potluck gathering, it’s a guaranteed crowd-pleaser that will have everyone asking for seconds.

Here’s why you absolutely need this Keto Cheesy Spinach Broccoli Casserole Recipe in your life:

  • Effortless to whip up, this casserole comes together with minimal fuss, perfect for busy weeknights.
  • The cheesy, creamy sauce perfectly complements the earthy spinach and broccoli, creating a delicious experience.
  • Vibrant green veggies nestled in a golden-brown cheesy blanket make this casserole a feast for the eyes.
  • Easily customizable, you can add your favorite proteins or spices to tailor this casserole to your liking.

Ingredients for Keto Cheesy Spinach Broccoli Casserole Recipe

Here’s what you’ll need to make this delicious dish:

  • Broccoli Florets Provides a slightly bitter, earthy base and lots of beneficial nutrients. Fresh or frozen work; if frozen, thaw and drain well to avoid a watery casserole.
  • Fresh Spinach Adds a mild, slightly sweet flavor and a boost of vitamins. Ensure the spinach is thoroughly washed and any excess water is squeezed out.
  • Cream Cheese Lends a creamy, tangy base to the casserole. Opt for full-fat for the best flavor and texture in this recipe.
  • Shredded Cheddar Cheese Contributes a sharp, cheesy flavor and a beautiful golden-brown topping. Feel free to use a blend of cheeses for a more complex flavor profile.
  • Heavy Cream Adds richness and helps to create a smooth, luscious sauce. You can substitute with half-and-half for a slightly lighter version.
  • Eggs Help to bind the ingredients together and add structure to the casserole. Use large eggs for the best results.
  • Garlic Powder Provides a savory, aromatic note that complements the other ingredients. Adjust the amount to your preference.
  • Onion Powder Adds a subtle onion flavor that enhances the overall taste of the dish. Use sparingly to avoid overpowering the other flavors.
  • Salt and Pepper Essential seasonings to bring out the flavors of all the ingredients. Season to taste.
  • The full ingredients list, including measurements, is provided in the recipe card directly below.

    How to Make Keto Cheesy Spinach Broccoli Casserole Recipe

    Follow these simple steps to prepare this delicious dish:

    Step 1: Preheat and Prep

    Preheat your oven to 375°F (190°C). Grease a 9×13 inch baking dish with non-stick cooking spray or butter. This ensures the casserole won’t stick to the bottom.

    Step 2: Combine the Veggies

    In a large bowl, combine the broccoli florets and spinach. If using frozen spinach, make sure to thaw it completely and squeeze out any excess water before adding it to the bowl.

    Step 3: Create the Creamy Base

    In a separate bowl, beat together the cream cheese, heavy cream, and eggs until smooth and well combined. This mixture forms the rich and creamy base of your casserole.

    Step 4: Season and Mix

    Add the garlic powder, onion powder, salt, and pepper to the cream cheese mixture. Stir well to incorporate the seasonings evenly. Then, pour the mixture over the broccoli and spinach, ensuring the vegetables are well coated.

    Step 5: Cheese it Up

    Sprinkle the shredded cheddar cheese evenly over the top of the vegetable mixture. This creates a delicious cheesy crust as the casserole bakes.

    Step 6: Bake to Perfection

    Bake in the preheated oven for 30-35 minutes, or until the casserole is golden brown and bubbly. Let it cool for a few minutes before serving. This allows the casserole to set slightly, making it easier to serve.

    Perfecting the Cooking Process

    Keto Cheesy Spinach Broccoli Casserole Recipe image 2

    For culinary harmony, preheat your oven before you even think about chopping veggies. Roast the broccoli and spinach first to remove excess moisture. This guarantees a delightfully textured Keto Cheesy Spinach Broccoli Casserole Recipe, avoiding any soggy surprises.

    Add Your Touch

    Feeling adventurous? Swap the cheddar for Gruyere for a nutty flavor, or add a dash of nutmeg for warmth. For a spicier kick, incorporate a pinch of red pepper flakes. Personalize this Keto Cheesy Spinach Broccoli Casserole Recipe to your taste.

    Storing & Reheating

    Store leftover casserole in an airtight container in the refrigerator for up to three days. Reheat individual portions in the microwave or bake in the oven until warmed through. This ensures your Keto Cheesy Spinach Broccoli Casserole Recipe remains delicious.

    Here are some tips to help you make the perfect Keto Cheesy Spinach Broccoli Casserole Recipe:

    • Blanch the broccoli florets before roasting. This helps maintain their vibrant color and tender-crisp texture, preventing them from becoming mushy in the casserole.
    • Don’t overcrowd the baking dish! Overcrowding can lead to uneven cooking. Use a larger dish or bake in batches to ensure even heat distribution and browning.
    • Allow the casserole to rest for at least 10 minutes after baking. This allows the cheese to set and the flavors to meld, making each bite even more delicious.

    (Personal anecdote formated as paragraph subheading)

    My grandma always said, “A sprinkle of love is the secret ingredient.” One Thanksgiving, I added a little too much cheese and everyone raved about it! It’s now a family tradition.

    Conclusion for Keto Cheesy Spinach Broccoli Casserole Recipe

    In conclusion, this Keto Cheesy Spinach Broccoli Casserole Recipe is a delicious and satisfying way to enjoy your veggies while sticking to a low-carb lifestyle. This dish is both comforting and healthy. With its creamy cheese sauce, tender vegetables, and customizable flavors, it’s sure to become a family favorite. Feel free to experiment with different vegetables and spices to create your own unique version. And don’t forget the make-ahead tips for a stress-free meal! This cheesy casserole is proof that keto-friendly food can be both flavorful and fun.

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    Keto Cheesy Spinach Broccoli Casserole Recipe

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    Delicious keto cheesy spinach broccoli casserole recipe recipe with detailed instructions and nutritional information.

    • Total Time: 35 minutes
    • Yield: 4 servings 1x

    Ingredients

    Scale
    • 1 large head of broccoli, chopped
    • 10 ounces frozen spinach, thawed and squeezed dry
    • 8 ounces cream cheese, softened
    • 1/2 cup heavy cream
    • 1 cup shredded cheddar cheese
    • 1/2 cup shredded mozzarella cheese
    • 1/4 cup grated Parmesan cheese
    • 1 teaspoon garlic powder

    Instructions

    1. Step 1: Preheat oven to 375°F (190°C). Grease a 9×13 inch baking dish.
    2. Step 2: Steam or boil the chopped broccoli until tender-crisp, about 5-7 minutes. Drain well.
    3. Step 3: In a large bowl, combine the softened cream cheese, heavy cream, garlic powder, salt, and pepper. Mix until smooth.
    4. Step 4: Add the cooked broccoli and squeezed-dry spinach to the cream cheese mixture. Stir to combine well.
    5. Step 5: Transfer the mixture to the prepared baking dish. Sprinkle evenly with cheddar, mozzarella, and Parmesan cheeses.
    6. Step 6: Bake for 20-25 minutes, or until the cheese is melted and bubbly, and the casserole is heated through. Let it cool slightly before serving.

    Notes

    • Store leftovers in an airtight container in the refrigerator for up to 3 days.
    • For best results, reheat individual portions in the microwave or oven until warmed through and cheese is melted again.
    • Serve this cheesy casserole as a satisfying side dish or a complete vegetarian meal.
    • Don't skip squeezing the spinach dry; excess moisture will make your casserole watery.
    • Author: Maya Rose
    • Prep Time: 15 minutes
    • Cook Time: 20 minutes
    • Method: Stovetop
    • Cuisine: American

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    FAQs

    Can I substitute any vegetables in this Keto Cheesy Spinach Broccoli Casserole Recipe?

    Absolutely! Feel free to get creative with your veggies. Cauliflower is a fantastic low-carb alternative to broccoli, offering a similar texture and mild flavor. You can also add other leafy greens like kale or collard greens for an extra boost of nutrients. Just be mindful of the carb content of any substitutions to maintain the casserole’s keto-friendly nature. Roasted bell peppers can also contribute a delightful sweetness and vibrant color to the dish. Remember to adjust the cooking time if you are using denser vegetables like squash. Ultimately, the best casserole is one that caters to your personal taste preferences, so don’t hesitate to experiment.

    How can I make this cheesy casserole spicier?

    Looking to kick up the heat? There are several ways to add some zing to your cheesy delight. A pinch of red pepper flakes will introduce a subtle warmth that complements the creamy cheese sauce. For a more intense flavor, consider adding a dash of your favorite hot sauce or a finely diced jalapeño pepper. Remember to remove the seeds and membranes from the jalapeño if you prefer a milder level of spiciness. Another option is to incorporate some spicy sausage into the casserole, such as chorizo or andouille (ensure it’s without pork). Adjust the amount of spice to your liking and get ready for a flavor explosion!

    What are some tips for preventing a watery casserole?

    Nobody likes a watery casserole! To avoid this common pitfall, make sure your vegetables are properly drained after cooking. Excess moisture is often the culprit. Consider squeezing out any excess water from the spinach after it’s cooked. Another helpful tip is to use a thickening agent like xanthan gum in the cheese sauce. A small amount can make a big difference in the consistency of the sauce. Avoid adding extra liquid to the recipe unless absolutely necessary. Finally, don’t overcook the casserole, as this can also release moisture from the vegetables. Follow these tips and say goodbye to watery casseroles forever!

    Can I prepare this Keto Cheesy Spinach Broccoli Casserole ahead of time?

    Yes, you can absolutely prep this keto cheesy casserole in advance! Assemble the casserole according to the instructions, but don’t bake it. Cover it tightly with plastic wrap and store it in the refrigerator for up to 24 hours. When you’re ready to bake, remove the plastic wrap and bake as directed, adding about 10-15 minutes to the cooking time if baking directly from the fridge. This makes it a convenient option for busy weeknights or potlucks. You can also freeze the unbaked casserole for longer storage. Thaw it overnight in the refrigerator before baking.

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