Roasted Cauliflower Casserole – cheesy cauliflower casserole with bites of roasted cauliflower in a creamy 3-cheese sauce baked until golden. The ideal side of your holiday table.
If you’re looking for a great addition to your Thanksgiving table, this cauliflower recipe is it.
It compliments any Thanksgiving dinner and the wonderful flavor will make it a huge hit even with picky eaters or those who aren’t a huge fan of cauliflower.
This may become their new favorite way to enjoy this vegetable.
Why this recipe works:
Looks like Au Gratin Potatoes but this Cauliflower Casserole will win over even the pickiest eaters.
Roasting vegetables easily adds incredible flavor.
It’s hearty enough to be a main dish.
Ingredients in Cheesy Cauliflower Casserole?
Below you’ll find the ingredients for this Cauliflower au gratin casserole.
- cauliflower
- olive oil
- salt and pepper
- garlic powder
- melted butter
- sour cream
- cream cheese
- sharp cheddar cheese and gouda cheese
How to cut cauliflower:
This VIDEO shows the easiest way to cut cauliflower without making a mess of it. From there, move on to the recipe below ⇓
How to make Cheesy Cauliflower Casserole:
Preheat the oven to 425° then line a baking sheet with parchment paper for easy cleanup.
Cut the cauliflower head into florets or small pieces then transfer to the baking sheet. Drizzle with olive oil, salt, pepper and garlic powder then gently toss to coat.
Roast the cauliflower florets for 15-18 minutes on a lower oven rack. Cooking time will vary. You want the cauliflower to be tender-crisp and lightly brown on the bottom.
In a medium bowl, melt butter then add sour cream, softened cream cheese, 1 cup of the cheddar and 1/2 cup of the gouda cheese.
Lightly spray a shallow casserole dish with cooking spray then add the roasted cauliflower. Add dollops of the cream cheese mixture to the top of the cauliflower then sprinkle with the remaining cheese and bake 8-10 minutes or until golden and bubbly.
Garnish (optional) with fresh chopped parsley and serve warm.
Subs and variations to this recipe:
- Add a scattering of bread crumbs before baking for a little texture.
- Blend cloves of roasted garlic into the cheese instead of garlic powder.
- Fresh herbs (thyme for one) would be a great addition.
What to do with leftover cauliflower casserole:
Leftover cauliflower casserole can be store in an airtight container in the fridge up to 3 days.
Best main dishes with Cheesy Cauliflower Casserole:
Roasted cauliflower casserole would be delicious with any of the easy recipes below.
- Herb-Garlic Butter Air Fryer Turkey Breast
- Air Fryer Cornish Hens
- 20 Minute Honey Balsamic Pork Tenderloin
- Apricot Glazed Pork Tenderloin
More popular holiday side dishes:
Homemade Cranberry Sauce – one small saucepan and just 10 minutes. Way better than canned!
Green Bean Casserole – small batch with fresh green beans, mushrooms but NO canned soup.
Homemade Gravy – with OR without drippings, this is the best gravy recipe, loaded with rich flavor.
Gouda Mashed Potatoes – creamy, buttery mashed potatoes ramped up with Gouda cheese.
Maple Brussels Sprouts – roasted with crispy edges tossed with bacon and a maple syrup Dijon mustard glaze.
Full recipe in the recipe card below. Enjoy!
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Cheesy Cauliflower Casserole
Ingredients
- 1 large head cauliflower
- 2 tablespoons olive oil
- 1 teaspoon salt
- 1/4 teaspoon pepper
- 1 teaspoon garlic powder
- 4 tablespoons butter melted
- 4 ounces cream cheese softened to room temperature
- 1/2 cup sour cream
- 1 1/2 cups sharp cheddar cheese shredded
- 1 cup gouda cheese shredded
- cooking spray
- 2 tablespoon fresh parsley optional garnish
Instructions
- Preheat the oven to 425° then line a baking sheet with parchment paper for easy cleanup.
- Cut the cauliflower head into florets then transfer to the baking sheet. Drizzle with olive oil, salt, pepper and garlic powder then gently toss to coat.
- Roast cauliflower 15-18 minutes on a lower oven rack until tender-crisp and lightly brown on the bottom.
- In a medium bowl, melt the butter then add sour cream, softened cream cheese, 1 cup of the cheddar and 1/2 cup of the gouda cheese.
- Lightly spray a shallow casserole dish with cooking spray then add the roasted cauliflower. Add dollops of the cheese mixture to the top of the cauliflower then sprinkle with the remaining cheese and bake 8-10 minutes or until golden and bubbly.Garnish (optional) with fresh chopped parsley and serve warm.
This recipe sounds so delicious and easy, as your recipes tend to be! Pinned. Thanks for sharing. Have a great day, my friend. Chat again soon!
Hey friend – you know we’re all about cheesy comfort around here and this recipe has both. Enjoy the day!
Just made this for dinner tonight and WOW. I like cauliflower, but it’s never on my grocery list. This has so much flavor and I love that the cheese topping compliments the cauliflower flavor vs covering it up. This is definitely going into my regular side rotation especially with the weather cooling off
Thank you Lauren! I’m so glad you like the recipe so much!! We loved it too – I’m going to make it again soon with a cauli-broccoli combo – or maybe just broccoli – ?? – the possibilities! I appreciate you taking the time to comment. Enjoy the day ~ Bernie