Cheesy Cauliflower Casserole – Creamy, Comforting, and Absolutely Crave-Worthy

I can’t help but smile when I share this one — because it’s one of those rare dishes that’s both comforting and guilt-friendly! This Cheesy Cauliflower Casserole has all the richness of a creamy, cheesy side dish but starts with a base of nutritious cauliflower. It’s a family favorite that even the pickiest eaters can’t resist!

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What Is Cheesy Cauliflower Casserole?

This recipe takes humble cauliflower florets and turns them into something spectacular. They’re baked in a luxurious blend of three cheeses, butter, eggs, and cream until bubbling and golden brown. The result? A dish so indulgent and flavorful, you’ll almost forget it’s loaded with veggies!

It’s a perfect alternative to traditional potato casseroles — creamy, cheesy, and low-carb, yet totally satisfying.

Why You’ll Love This Recipe

Keto and low-carb friendly without sacrificing comfort.
Packed with flavor from garlic, onion, and three cheeses.
Perfect side dish for any main course — or serve it as the star!
Easy to make ahead for holidays or busy weeknights.
Golden and bubbly — it looks as good as it tastes!

What It Tastes Like

Imagine the creamiest mac-and-cheese-style casserole, but with tender, perfectly seasoned cauliflower instead of pasta. The mix of cheddar, mozzarella, and parmesan melts into a rich, velvety sauce that clings to every floret.

The top bakes up beautifully golden and slightly crisp — a texture lover’s dream!

Benefits of This Recipe

Great source of vitamins and fiber from cauliflower.
Comfort food that fits low-carb or gluten-free lifestyles.
Simple ingredients — nothing fancy, just pantry staples.
Reheats beautifully for leftovers (if you have any!).

Ingredients

2 heads cauliflower, cut into florets
5 eggs
1 ½ cups heavy cream
1 ½ teaspoons salt
½ teaspoon black pepper
1 teaspoon garlic powder
1 teaspoon onion powder
4 tablespoons butter, melted
2 cups white cheddar cheese, shredded
½ cup parmesan cheese, grated
½ cup mozzarella cheese, shredded
Additional ½ cup parmesan, for topping

Tools You’ll Need

9×13-inch baking dish
Large pot (for boiling cauliflower)
Mixing bowls
Whisk
Colander
Wooden spoon

Ingredient Additions & Substitutions

Add-ins: Crumbled bacon, chopped spinach, or caramelized onions for extra flavor.
Cheese swaps: Try Gruyère, Monterey Jack, or fontina.
Lighter version: Use half-and-half instead of heavy cream.
Spicy kick: Add a dash of cayenne or crushed red pepper flakes.