Cauliflower Casserole

Growing up, we often had family gatherings during the colder months, and one dish that always graced our table was my mom’s Cauliflower Casserole. There was something magical about how the creamy sauce enveloped the roasted cauliflower and mushrooms, creating a comforting hug of flavors. I can still remember the aroma wafting through the house, drawing everyone to the kitchen. As the kids, we would excitedly anticipate that first bite, where the cheesy goodness melted in our mouths. This dish isn’t just about the food; it’s about the warmth and laughter shared around the table, making it a staple in our winter meals.

Key Ingredients for Cauliflower Casserole

The ingredients in this Cauliflower Casserole not only provide flavor but also contribute to its heartwarming nature. The combination of roasted vegetables and a creamy cheese sauce creates a harmony of taste and texture, making each bite a delightful experience. Let’s take a closer look at what makes this dish special.

• 2 lbs cauliflower florets (about 1 large cauliflower head): The star of the dish, cauliflower adds a lovely texture and soaks in the flavors of the cheese sauce.
• 2 cups mushrooms, sliced: These add an earthy flavor that complements the cauliflower and enriches the overall taste.
• 2 tbsp olive oil: A healthy fat that helps roast the vegetables to golden perfection.
• ½ tsp sea salt or to taste: Enhances the flavors of all the ingredients.
• ½ tsp garlic powder: Adds an aromatic depth to the dish.
• ¼ tsp black pepper or to taste: Provides a gentle heat that balances the richness of the cheese.
• 4 tbsp unsalted butter: Used for the roux that forms the base of the cheese sauce.
• 3 ½ tbsp all-purpose flour: Helps to thicken the cheese sauce for a creamy texture.
• 2 cups whole milk: Creates a rich and creamy base for the sauce.
• ¼ tsp nutmeg powder: A pinch of this spice adds warmth and a hint of sweetness.
• 1 cup cheddar cheese, grated: Provides a sharp, tangy flavor that melds beautifully into the sauce.
• ½ cup Gruyère cheese, grated: Adds a nutty flavor and creamy texture to the cheese sauce.

Making This Cauliflower Casserole

Creating the Cauliflower Casserole is a satisfying process that fills your kitchen with comforting aromas. Follow these steps to bring this family favorite to your table.

1. Preheat your oven to 430°F. This is a crucial step to ensure that the cauliflower and mushrooms roast beautifully. The high temperature will help to caramelize the vegetables, enhancing their natural sweetness.
2. Toss the cauliflower florets and mushrooms in a bowl with olive oil, sea salt, black pepper, and garlic powder. Mix well to ensure every piece is coated in the seasoning. This step is essential for flavor development, so don’t rush it.
3. Spread the seasoned vegetables on a baking sheet in a single layer. This helps them roast evenly without steaming, which is key for achieving that desired golden-brown color. Bake in the preheated oven for 25 to 30 minutes until tender and lightly browned. Keep an eye on them and give a gentle stir halfway through for even roasting.
4. Once done, remove the vegetables from the oven and set aside to cool slightly. This pause allows you to prepare the cheese sauce without feeling rushed.
5. In a medium saucepan over medium heat, melt unsalted butter. As it melts, you’ll want to add all-purpose flour to create a roux. Whisk continuously for about one minute to cook out the raw flour taste.
6. Gradually whisk in whole milk. This step is crucial; if you pour it in too quickly, lumps may form. Keep whisking constantly until the mixture is smooth.
7. Cook the sauce for about 3 to 5 minutes, stirring frequently, until it thickens. The sauce should coat the back of a spoon when it’s ready.
8. Stir in sea salt, nutmeg powder, and both types of cheddar and Gruyère cheese. Keep stirring until all the cheese has melted and the sauce is creamy and smooth.
9. Reduce the oven temperature to 390°F. In a baking dish, combine the roasted cauliflower and mushrooms with the cheese sauce. Use a spatula to mix everything evenly, ensuring the vegetables are well coated.
10. Finally, top with the remaining grated cheddar and Gruyère cheese. This layer will create a deliciously crispy top once baked.
11. Bake for 15 to 20 minutes or until the top is bubbly and golden brown. Your kitchen will smell heavenly as it bakes!
12. Once finished, remove from the oven and let it sit for a few minutes before serving. This brief wait allows the casserole to set slightly, making it easier to serve.

Ways to Customize

Everyone loves a recipe that can be tailored to personal tastes! Here are some creative ways to customize your Cauliflower Casserole to make it uniquely yours.

• Add Protein: Incorporate cooked chicken or turkey for a heartier dish. This makes it a complete meal that’s packed with flavor and satisfaction.
• Vary the Vegetables: Feel free to swap in other roasted vegetables like broccoli or zucchini. These additions can enhance the flavor and provide more nutrition.
• Spice it Up: Add a pinch of cayenne pepper or some chopped jalapeños for a subtle kick. This will add a new level of complexity to the flavor profile.
• Experiment with Cheeses: Try different cheese combinations like pepper jack for a spicy twist or a mix of mozzarella and parmesan for a different flavor dimension.
• Make it Gluten-Free: Substitute regular flour with a gluten-free blend to ensure everyone can enjoy this dish without worry.
• Top with Herbs: Fresh herbs like parsley or thyme sprinkled on top just before serving can brighten the dish and add a touch of color.
• Storage: Store leftovers in an airtight container in the refrigerator for up to three days. Reheat in the oven for the best texture.
• Freezing: This casserole freezes well! Just make sure it’s cooled completely before wrapping it tightly in foil or a freezer-safe container.
• Pairing: Serve with a side salad or crusty bread for a complete meal, and consider a light white wine if you enjoy it.

How to Serve Cauliflower Casserole

Serving your Cauliflower Casserole can be just as fun as making it! Here are some ideas to elevate your dining experience:

• As a Side Dish: This casserole pairs wonderfully with grilled meats or roasted chicken. Its creamy texture complements the savory flavors of meat dishes.
• Perfect for Gatherings: Whether it’s a holiday meal or family get-together, this dish is sure to be a crowd-pleaser that everyone will want seconds of.
• Lunch or Dinner: It works beautifully for both lunch and dinner. Enjoy it as a comforting meal on a cold day or as a delightful leftover lunch.
• For Special Occasions: Upgrade your next holiday meal by featuring this casserole as a centerpiece. It adds a touch of elegance and warmth to any table.
• Seasonal Pairings: During winter, serve with hearty roasted vegetables or a warming soup to create a cozy meal.
• Storage Tip: Make sure to store any leftovers in an airtight container in the refrigerator. This dish keeps well for a few days and tastes just as good reheated.

FAQ

Conclusion

The Cauliflower Casserole stands out with its creamy, cheesy goodness and comforting flavors, making it a beloved dish in many households. I encourage you to try this recipe and bring a taste of warmth and nostalgia to your table. Whether it’s a cozy weeknight dinner or a festive gathering, this casserole is sure to impress and satisfy. Happy cooking!

Cauliflower Casserole

The ultimate comfort food, this Cauliflower Casserole is creamy, cheesy, and packed with flavor. A perfect easy weeknight dinner that will warm you up from the inside out. You won't want to miss out on this delicious dish!

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 45 minutes mins

Total Time 1 hour hr

Servings: 4 servings

Course: Dinner, Side Dishes

Cuisine: American

Calories: 350

Ingredients Equipment Method Notes

Ingredients

  

• 2 lbs Cauliflower florets (about 1 large cauliflower head)
• 2 cups Mushrooms sliced
• 2 tbsp Olive oil
• ½ tsp Sea salt or to taste
• ½ tsp Garlic powder
• ¼ tsp Black pepper or to taste
• 4 tbsp Unsalted butter
• 3 ½ tbsp All-purpose flour
• 2 cups Whole milk
• ¼ tsp Nutmeg powder
• 1 cup Cheddar cheese grated
• ½ cup Gruyère cheese grated
• ½ cup Cheddar cheese grated
• ½ cup Gruyère cheese grated

Equipment

• Frying pan
• Grater
• Wooden Spoon
• Oven
• Chef's Knife
• Whisk
• Baking Sheet

Method

 

1. 1. Preheat your oven to 430°F. This is a crucial step to ensure that the cauliflower and mushrooms roast beautifully. The high temperature will help to caramelize the vegetables, enhancing their natural sweetness.
2. 2. Toss the cauliflower florets and mushrooms in a bowl with olive oil, sea salt, black pepper, and garlic powder. Mix well to ensure every piece is coated in the seasoning. This step is essential for flavor development, so don’t rush it.
3. 3. Spread the seasoned vegetables on a baking sheet in a single layer. This helps them roast evenly without steaming, which is key for achieving that desired golden-brown color. Bake in the preheated oven for 25 to 30 minutes until tender and lightly browned. Keep an eye on them and give a gentle stir halfway through for even roasting.
4. 4. Once done, remove the vegetables from the oven and set aside to cool slightly. This pause allows you to prepare the cheese sauce without feeling rushed.
5. 5. In a medium saucepan over medium heat, melt unsalted butter. As it melts, you’ll want to add all-purpose flour to create a roux. Whisk continuously for about one minute to cook out the raw flour taste.
6. 6. Gradually whisk in whole milk. This step is crucial; if you pour it in too quickly, lumps may form. Keep whisking constantly until the mixture is smooth.
7. 7. Cook the sauce for about 3 to 5 minutes, stirring frequently, until it thickens. The sauce should coat the back of a spoon when it’s ready.
8. 8. Stir in sea salt, nutmeg powder, and both types of cheddar and Gruyère cheese. Keep stirring until all the cheese has melted and the sauce is creamy and smooth.
9. 9. Reduce the oven temperature to 390°F. In a baking dish, combine the roasted cauliflower and mushrooms with the cheese sauce. Use a spatula to mix everything evenly, ensuring the vegetables are well coated.
10. 10. Finally, top with the remaining grated cheddar and Gruyère cheese. This layer will create a deliciously crispy top once baked.
11. 11. Bake for 15 to 20 minutes or until the top is bubbly and golden brown. Your kitchen will smell heavenly as it bakes!
12. 12. Once finished, remove from the oven and let it sit for a few minutes before serving. This brief wait allows the casserole to set slightly, making it easier to serve.

Notes

• Roasting Vegetables: Roasting the cauliflower and mushrooms brings out their natural sweetness and depth of flavor. Be sure to spread them in a single layer on your baking sheet to ensure even roasting. If your sheet is too crowded, the vegetables will steam rather than roast, resulting in a soggier dish.
• Cheese Sauce: When making the cheese sauce, it's essential to whisk constantly after adding the milk to prevent lumps. If the sauce becomes too thick, you can always add a splash of more milk to reach the desired consistency.
• Even Cheese Distribution: To ensure that the sauce and cheese coat every piece of cauliflower and mushroom evenly, give the casserole a good toss before adding the final cheese topping. This helps distribute the sauce throughout the dish for a creamy bite every time.
• Preventing a Watery Casserole: Mushrooms can release a lot of moisture as they cook. To combat this, ensure that you roast them thoroughly, allowing excess moisture to evaporate. If you notice a lot of liquid in your casserole after baking, simply let it sit for a few minutes to reabsorb any liquid.

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Meet Brooke Davis

I’m all about cozy, comforting food made with fresh, local ingredients. I develop most of our weeknight dinners and heartier main dishes. My specialty is taking a classic comfort food and giving it a bright, California twist. We all cook and test together, but I’m usually the one in charge of the main event and making sure every recipe is perfect.