Cauliflower Au Gratin: The Ultimate Comfort Side

Cauliflower Au Gratin is a delightful, creamy, and cheesy dish that transforms humble cauliflower into a star of the table. This comforting classic features tender cauliflower florets enveloped in a luscious cheese sauce, topped with a golden, crispy breadcrumb crust. It’s a perfect side dish for family dinners, gatherings, or even a cozy night in. The appeal lies in its rich flavors and satisfying texture that even the pickiest eaters will love!

cauliflower au gratin recipe

Why You Will Love This Recipe

This cauliflower au gratin recipe is a delicious way to enjoy vegetables without sacrificing flavor. The rich, cheesy sauce combined with the slight nuttiness of roasted cauliflower creates a mouthwatering experience that’s hard to resist. It’s easy to prepare, making it approachable for both novice cooks and seasoned chefs alike. Plus, it fits perfectly into low-carb and keto diets while being a great vegetarian option, ensuring everyone at the table can enjoy it.

Tips and Tricks

To make your cauliflower au gratin even more delightful, consider these tips:

  • Choose Fresh Cauliflower: Look for firm, white florets that are free from blemishes. This ensures a fresher taste and better texture.
  • Blanch the Cauliflower: Briefly boiling the cauliflower before baking helps to achieve a tender bite while retaining its structure.
  • Mix Cheeses for Depth: Combine different cheeses like sharp cheddar, Gruyère, or Parmesan for a more complex flavor profile.
  • Breadcrumb Topping: For added crunch, mix in some herbs or spices with your breadcrumbs before sprinkling them on top.

Common Mistakes to Avoid

When preparing cauliflower au gratin, avoid these common pitfalls:

  • Overcooking the Cauliflower: Blanching should only take about 3-5 minutes. Overcooked cauliflower will turn mushy and lose its structure.
  • Skipping the Seasoning: Don’t forget to season your cheese sauce! A pinch of salt, pepper, and perhaps a dash of nutmeg can elevate the flavor.
  • Using Cold Ingredients: Ensure your milk and cheese are at room temperature before mixing to prevent clumping in the sauce.

Make Ahead Tips

For busy cooks or meal preppers, cauliflower au gratin can be partially made ahead:

  • Prepare the Sauce: You can make the cheese sauce one day in advance and store it in the refrigerator. Just reheat it gently before combining with the cauliflower.
  • Blanch and Refrigerate: Blanch the cauliflower a day ahead, then store it in an airtight container in the fridge.
  • Assemble and Bake Later: Combine the blanched cauliflower and sauce, top with breadcrumbs, and refrigerate overnight. Bake it when you’re ready to serve.

Recipe Variations

Get creative with your cauliflower au gratin by trying these variations:

  • Add Veggies: Mix in other vegetables like broccoli, spinach, or mushrooms for added nutrition and flavor.
  • Spice It Up: Incorporate spices like cayenne pepper or paprika for a little heat.
  • Herbed Version: Add fresh or dried herbs like thyme, rosemary, or basil to the cheese sauce for an aromatic twist.
  • Different Cheeses: Experiment with Gouda, feta, or mozzarella for varied textures and flavors.
cauliflower au gratin recipe

How to Serve

Serve your cauliflower au gratin hot from the oven for the best flavor. Pair it with a fresh green salad or roasted vegetables for a well-rounded meal. Garnish with freshly chopped parsley or a sprinkle of paprika for a pop of color. Present it in a beautiful baking dish to showcase the golden, bubbly top.

Pairing Suggestions

For drink pairings, a crisp white wine like Sauvignon Blanc complements the richness of the cheese. Alternatively, a light-bodied red wine such as Pinot Noir works nicely. If you prefer cocktails, a refreshing gin and tonic can balance the dish well. Complementary side dishes could include roasted chicken or grilled fish, while a light dessert such as lemon sorbet can finish the meal on a refreshing note.

How to Store

Store any leftover cauliflower au gratin in an airtight container in the refrigerator for up to 3 days. For longer storage, you can freeze it for up to a month. To reheat, thaw in the refrigerator overnight and warm in the oven at 350°F until heated through. You can also microwave individual portions for a quick meal.

Equipment Needed

You will need a large pot for blanching the cauliflower, a saucepan for making the cheese sauce, and a baking dish for assembling the gratin. If you don’t have a baking dish, a cast-iron skillet or any oven-safe dish can work as an alternative.

Dietary Adaptations

To make this recipe vegan, substitute the cheese with a plant-based cheese alternative and use almond or soy milk for the sauce. For a dairy-free option, ensure all ingredients are free from dairy and consider using nutritional yeast for added cheesy flavor. For nut-free variations, avoid any nut-based cheeses or milk substitutes.

Seasonal Adaptations

In the fall, consider adding roasted butternut squash or sweet potatoes for a seasonal twist. During the summer months, fresh herbs and a hint of lemon zest can brighten the dish, while in the winter, adding spices like nutmeg can add warmth and coziness.

Cost Breakdown

This recipe is budget-friendly, with an estimated cost of about $2.50 per serving. To save even more, buy cauliflower in bulk or when it’s in season, and consider using store-brand cheese and milk.

Kitchen Hacks

  • Easily Chop Cauliflower: Cut the cauliflower into florets by removing the stem and breaking it apart with your hands for a more rustic look.
  • Smooth Cheese Sauce: Whisk continuously while adding cheese to the sauce to prevent clumping and achieve a smooth consistency.
  • Cleanup Tip: To avoid sticky cheese residue on pots and pans, soak them in warm soapy water immediately after use.

Recipe FAQs

  • Can I use frozen cauliflower? Yes, frozen cauliflower works well; just make sure to thaw it and drain any excess water before using.
  • How long do I bake it? Bake the gratin for 25-30 minutes or until the top is golden and bubbly.
  • Can I substitute the cheese? Absolutely! Feel free to use your favorite cheese or a mix of cheeses to suit your taste.

Yield: 6

Cauliflower Au Gratin

Cauliflower Au Gratin

Cauliflower Au Gratin is a delightful, creamy, and cheesy dish that transforms humble cauliflower into a star of the table. 

Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes

Ingredients

  • 1 large head of cauliflower, cut into florets
  • 2 cups shredded cheese (cheddar, Gruyère, or your choice)
  • 1 cup milk (whole or plant-based)
  • 2 tablespoons butter
  • 2 tablespoons all-purpose flour
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • Salt and pepper to taste
  • 1 cup breadcrumbs (for topping)
  • Optional: chopped parsley for garnish

Instructions

  1. Preheat the oven to 375°F (190°C).
  2. Bring a large pot of salted water to a boil. Add cauliflower florets and blanch for 3-5 minutes until just tender. Drain and set aside.
  3. In a saucepan over medium heat, melt the butter. Stir in the flour and cook for 1-2 minutes until lightly golden.
  4. Gradually whisk in the milk, stirring continuously until the mixture thickens.
  5. Stir in the shredded cheese, garlic powder, onion powder, salt, and pepper until melted and smooth.
  6. In a large baking dish, combine the blanched cauliflower with the cheese sauce, ensuring each floret is well coated.
  7. n a small bowl, mix the breadcrumbs with a bit of melted butter and sprinkle evenly over the top.
  8. Bake for 25-30 minutes or until bubbly and golden brown.
  9. Remove from the oven, let it cool slightly, and garnish with fresh parsley if desired.

Nutrition Information

Yield

6

Serving Size

1

Amount Per Serving Calories 323Total Fat 19gSaturated Fat 10gTrans Fat 1gUnsaturated Fat 6gCholesterol 51mgSodium 499mgCarbohydrates 25gFiber 4gSugar 6gProtein 15g

Dinnerfocus.com, occasionally offers nutritional information for recipes contained on this site. This information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although allchickenrecipes.com attempts to provide accurate nutritional information, these figures are only estimates.

Did you make this recipe?

Please leave a comment on the blog or share a photo on Pinterest

Final Thoughts

Cauliflower au gratin is a timeless dish that delivers comfort and satisfaction with every bite. It’s an excellent way to elevate your vegetable game, making it a perfect choice for any occasion. Whether you’re serving it as a side dish or a main course, this recipe is sure to impress. Enjoy the process of making it, and don’t forget to share your creation with family and friends! Happy cooking!

Soumyadip Chatterjee
Founder of dinnerfocus.com
DinnerFocus.com is your go-to destination for everything food! From quick and easy meal ideas to gourmet recipes, kitchen tips, and the latest food trends, we help you create memorable dining experiences every day. Discover the joy of cooking, one dish at a time!
Skip to Recipe