This easy and delicious keto broccoli casserole recipe is a perfect addition to your low-carb meal plan. With readily available ingredients, this versatile dish is a great option as a side dish or even meal prep.
If you love this keto casserole, you’ll enjoy my keto chicken broccoli casserole, my tasty pizza casserole, and my delicious cheeseburger casserole, all baked in one pan!

Why I love this recipe
- Low Carb: Broccoli is the main ingredient in keto broccoli casserole, which is a low-carb vegetable. This makes it an excellent option for those looking to maintain a low-carb lifestyle while still enjoying a delicious and satisfying meal.
- High in Healthy Fats: Keto broccoli casserole is typically made with cream cheese, heavy cream, and cheddar cheese, which are all high in healthy fats. These fats help keep you full and satisfied for longer, making it easier to stick to your keto diet.
- Nutritious: Broccoli is a nutrient-dense vegetable that is rich in vitamins and minerals, including vitamin C, vitamin K, and potassium. Adding broccoli to your diet can help support overall health and well-being.
- Versatile: Keto broccoli casserole is a versatile dish that can be customized to suit your taste preferences. You can add bacon, mushrooms, chicken, or other ingredients to make it your own.
Overall, keto broccoli casserole is a delicious and nutritious dish perfect for those following a ketogenic diet.
Ingredients and substitutions
- Broccoli: Fresh or frozen broccoli works, but ensure it’s well-drained.
- Cream Cheese: Opt for full-fat cream cheese for the best texture and flavor.
- Heavy Cream: This is key to achieving a creamy sauce.
- Butter: Salted butter enhances the richness. Consider using grass-fed butter for a premium touch.
- Garlic: Fresh garlic is essential for flavor; avoid jarred minced garlic if possible.
- Salt and Pepper: These basic seasonings elevate the taste.
- Cheddar Cheese: Sharp cheddar cheese provides a delightful bite.
How to make the best keto broccoli cheese casserole

1. Preheat Oven
Preheat your oven to 390°F (200°C).
2. Steam Broccoli
Steam or boil the broccoli until it’s slightly tender but still retains a bit of crunch. Drain well and place in a mixing bowl.
3. Cook the Creamy Cheese Sauce
In a saucepan, combine garlic, butter, salt, pepper, cream cheese, and heavy cream. Cook over medium heat, stirring constantly, until the cream cheese melts and the sauce becomes smooth and creamy.
4. Combine and Top the Broccoli Cheese Casserole
Add the creamy cheese sauce and 2 ounces of shredded cheddar cheese to the broccoli. Mix gently and transfer the mixture to a casserole dish. Top with the remaining cheddar cheese.
5. Bake and Serve Your Broccoli Gratin with Parmesan Cheese
Bake for 20-30 minutes or until the cheese is melted, bubbly, and golden brown, creating a beautiful cheesy broccoli gratin. Serve immediately and relish the deliciousness!
Variations and Tips
- Add Meat: Incorporate diced bacon, shredded chicken, or ground beef for a heartier casserole experience.
- Creamy Twist: Swap half of the heavy cream with sour cream for a subtle tangy flavor in your broccoli casserole with milk and eggs.
- Cheese Options: Combine mozzarella with cheddar for a stretchy, gooey texture or sprinkle some parmesan on top for an added layer of flavor in your broccoli casserole with swiss cheese.
- Storage: Refrigerate any leftovers for up to 4 days or freeze for up to 3 months.
Frequently asked questions
If you’re following a low-carb diet, broccoli casserole is very healthy. It has lots of vitamins and minerals and is high in fiber while delivering a good dose of healthy fats for energy.
Yes. Broccoli casserole contains no grains or flour and is gluten-free.
If you keep any high-carb ingredients out of your recipe, such as rice, broccoli casserole is very keto-friendly.
There are 3 grams of net carbs in broccoli casserole. Net carbs equal total carbohydrates (7 grams) minus fiber (4 grams).
There are 375 calories per 200-gram serving of broccoli casserole.
Absolutely! Assemble the casserole and refrigerate it until you’re ready to bake. If you’re starting with a cold casserole, add a few extra minutes of baking time.
Yes, you can use frozen broccoli. Just make sure to thaw it completely and drain it well before using it.

Keto Broccoli Cheese Casserole
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Ingredients
- 1 pound broccoli cut into florets
- 4 ounces cream cheese
- 1/2 cup heavy cream
- 1 tablespoon butter
- 2 cloves garlic crushed
- 1/2 teaspoon salt
- 1/2 teaspoon pepper ground
- 4 ounces cheddar cheese shredded
Instructions
- Preheat your oven to 200C/390F.
- Steam or boil the broccoli just enough so that it is still crunchy on the inside. Drain well and place into a large mixing bowl. Ensure you drain the broccoli well, removing as much water as possible.1 pound broccoli
- Place the garlic, butter, salt, pepper, cream cheese, and heavy cream in a small saucepan. Cook on medium heat for 7-10 minutes while stirring until the cream cheese has melted.4 ounces cream cheese, 1/2 cup heavy cream, 1 tablespoon butter, 2 cloves garlic, 1/2 teaspoon salt, 1/2 teaspoon pepper
- Add the sauce into the broccoli, along with 2 ounces of the cheddar cheese and gently mix then pour the mixture into a casserole dish and top with the remaining cheddar cheese.4 ounces cheddar cheese
- Bake in the oven for 20-30 minutes until the cheese is melted and browned. Serve immediately.
Notes
- If you like adding meat to your casseroles, try diced bacon, shredded chicken, or ground beef. Be sure to cook all meat first.
- Try adding 1/2 sour cream 1/2 heavy cream if you like a slightly bitter cream
- Combine mozzarella with the cheddar for a stretchy consistency, or add a little parmesan for more bite.
Nutrition
This Keto Broccoli Cheese recipe makes four servings.
How to store
Store keto broccoli casserole in the fridge for up to 4 days or freeze for up to 3 months.
If you are looking for other great Keto side dishes, why not try some of our other great recipes;
Adjust the servings above to make a larger batch of Keto Broccoli Cheese.