cauliflower au gratin recipe
The Best cauliflower au gratin recipe
The best thing about this recipe is how easy it is to customize—swap the cheese for a vegan alternative if needed, or add a sprinkle of herbs or hot sauce for extra flavor. And the health benefits? Well, cauliflower is packed with vitamins, fiber, and antioxidants, so it’s a smart way to get more nutrients without feeling like you’re eating “healthy food.” It’s also naturally lower in carbs than traditional baked potatoes, but still satisfying. Plus, it’s always a hit with picky eaters because the cheese and crispy topping make it feel like a cheesy, creamy delight. No one ever notices it’s not traditional mashed potatoes, and that’s the magic of it.

Cauliflower Au Gratin
A comforting baked dish featuring tender cauliflower layered with creamy tomato sauce and a crispy cheese topping. Perfect for a cozy meal.
🥘Ingredients
- 1 head cauliflower, cut into florets
- 2 tbsp olive oil
- 1 tsp salt
- ½ tsp black pepper
- 2 cups shredded mozzarella
- 1 cup shredded cheddar
- 1 cup heavy cream
- 1 cup whole milk
- 2 tbsp butter
- 1 tsp garlic powder
- ½ tsp nutmeg
- 1 cup breadcrumbs
- ½ cup grated Parmesan cheese
- 1 tbsp Dijon mustard
👨🍳Directions
-
1
Preheat oven to 400°F. Cut cauliflower into even florets and toss with olive oil, salt, and pepper. Spread florets in a greased baking dish. -
2
In a saucepan, heat heavy cream, milk, butter, garlic powder, and nutmeg over medium heat until warm. Stir in mozzarella and cheddar until melted and slightly bubbly. -
3
Spread half the cheese sauce over the cauliflower florets. Sprinkle half the breadcrumbs and Parmesan on top. Repeat with remaining sauce and topping. -
4
Bake uncovered for 25–30 minutes until golden and bubbling. Let rest 5 minutes before serving.
🔧Equipment
- Mixing bowls
- Cutting board
- Baking dish (9×13 inches)
- Knife
- Oven
📊Nutrition Facts (per serving)
📝Notes
Watch Video Of How Cauliflower Au Gratin Works
❓ Frequently Asked Questions About Cauliflower Au Gratin
1. What is the best way to prepare cauliflower for au gratin?
Use a food processor or sharp knife to cut the cauliflower into even florets. Rinse and pat dry to remove excess moisture, which helps the cheese stick better and ensures crispiness.
2. Can I substitute ricotta for the cream cheese in this recipe?
Yes, you can use ricotta, but reduce the amount slightly—about half the volume of cream cheese—to avoid making the dish too thick. Mix it with a little extra milk or broth for creaminess.
3. How long should I bake the cauliflower au gratin?
Typically, bake until the top is golden and bubbly, and the edges pull away from the pan. This usually takes 25–30 minutes at 375°F (190°C).
4. What if I don’t have a baking dish with a lid?
Skip the lid for the first 10–15 minutes to crisp the top. Then cover loosely with foil or a lid to trap steam, ensuring the cauliflower softens evenly.
Yes, you can use ricotta, but reduce the amount slightly—about half the volume of cream cheese—to avoid making the dish too thick. Mix it with a little extra milk or broth for creaminess.
3. How long should I bake the cauliflower au gratin?
Typically, bake until the top is golden and bubbly, and the edges pull away from the pan. This usually takes 25–30 minutes at 375°F (190°C).
4. What if I don’t have a baking dish with a lid?
Skip the lid for the first 10–15 minutes to crisp the top. Then cover loosely with foil or a lid to trap steam, ensuring the cauliflower softens evenly.
Skip the lid for the first 10–15 minutes to crisp the top. Then cover loosely with foil or a lid to trap steam, ensuring the cauliflower softens evenly.
