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Cheesy Broccoli, Sausage and Cauliflower Casserole Delight

Published: Aug 20, 2025 by Emma Saviani ·

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As I opened my fridge and surveyed the ingredients, a culinary spark ignited—what if I combined hearty Italian sausage with vibrant veggies for a comforting dish? That's how this Cheesy Broccoli, Sausage and Cauliflower Casserole was born. In just under an hour, you can whip up a meal that’s not only a crowd-pleaser but also a fantastic way to sneak in those greens! Imagine tender broccoli and cauliflower mingling with rich, creamy cheeses, all enveloped in a mouthwatering sausage blend. It’s an effortless journey into comfort food territory that also delivers in nutrition. Ready to learn the secrets behind this delightful casserole? Let’s dive in!

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Why is This Casserole So Irresistible?

Hearty, Flavorful Ingredients: The blend of savory Italian sausage, creamy cheeses, and fresh veggies creates a dish that’s both satisfying and indulgent.

Quick and Easy: With just 50 minutes from start to finish, you can create a comforting meal that fits into any busy schedule.

One-Dish Wonder: This casserole makes for easy cleanup, allowing you to focus on enjoying your meal instead of scrubbing pots and pans.

Great for Meal Prep: Make a big batch on the weekend to enjoy leftovers throughout the week or freeze for an easy weeknight dinner option.

Nutrient-Rich: Packed with vegetables, this dish is a sneaky way to get your daily dose of greens while still satisfying your cravings.

Perfect for Any Occasion: Whether a cozy family dinner or a gathering with friends, this casserole will impress and please everyone at the table. You might also like trying it alongside a fresh salad for a refreshing contrast!

Cheesy Broccoli, Sausage and Cauliflower Casserole Ingredients

• With this dish, the blend of flavors creates a mouthwatering experience!

For the Casserole

  • Italian sausage – A rich, savory base that gives the casserole its hearty flavor.
  • Cauliflower – Provides a creamy texture when baked and is a great low-carb option.
  • Broccoli – Offers a vibrant color and loads of nutrients, making the dish delightful and healthy.
  • Heavy cream – Adds a luxurious creaminess that ties everything together beautifully.
  • Shredded cheddar cheese – Melts perfectly, providing a gooey, cheesy blanket over the veggies.
  • Grated Parmesan cheese – Sprinkled on top for an added layer of flavor and a nice crust when baked.
  • Butter – Ensures the veggies are sautéed to perfection, enhancing the overall taste.
  • Garlic – Introduces a fragrant punch that complements the savory ingredients beautifully.
  • Salt – Enhances all the flavors, making the dish taste even more delicious.
  • Black pepper – A classic spice that adds a subtle kick and depth of flavor.
  • Red pepper flakes (optional) – For those who enjoy a little heat in their casserole.
  • Nutmeg (optional) – Just a pinch elevates the flavor profile and rounds out the richness.

For the Topping

  • Bread crumbs – Creates a crunchy texture on top that contrasts nicely with the creamy filling.
  • Chopped fresh parsley – Adds a pop of color and freshness, making it more appealing as a garnish.

This Cheesy Broccoli, Sausage and Cauliflower Casserole truly stands out as a comforting and nourishing dish everyone will love!

Step‑by‑Step Instructions for Cheesy Broccoli, Sausage and Cauliflower Casserole

Step 1: Preheat the Oven
Begin by preheating your oven to 375°F (190°C). This temperature ensures that your casserole cooks evenly and gets that beautiful golden top. While the oven warms up, gather your ingredients and equipment, including a large skillet and a 9x13-inch baking dish, to streamline the process.

Step 2: Cook the Sausage
In a large skillet over medium heat, add the Italian sausage, breaking it apart with a spoon as it cooks. Sauté for about 8-10 minutes until the sausage is browned and fully cooked through, with no pink remaining. Once done, transfer the cooked sausage to a plate and set aside, allowing the flavors to develop further for your Cheesy Broccoli, Sausage and Cauliflower Casserole.

Step 3: Sauté the Garlic
In the same skillet, melt the butter over medium heat, allowing it to bubble slightly. Add the minced garlic and sauté for about 1 minute until fragrant, careful not to let it brown. This step infuses the butter with delicious garlic flavor, setting the foundation for the rich creamy filling of your casserole.

Step 4: Add the Veggies
Next, toss the cauliflower and broccoli florets into the skillet, stirring well to coat them with the garlicky butter. Sauté the veggies for approximately 5-7 minutes until they begin to soften but still retain a slight crunch. This vibrant mixture will create a fantastic vegetable medley in your Cheesy Broccoli, Sausage and Cauliflower Casserole.

Step 5: Incorporate Cream and Seasonings
Pour the heavy cream into the skillet, followed by the salt, black pepper, red pepper flakes, and nutmeg. Stir everything together, allowing the mixture to combine into a creamy base. Let it cook over medium heat for a couple of minutes until it just begins to simmer, enhancing the overall flavor of the casserole.

Step 6: Melt the Cheddar Cheese
Reduce the heat to low, then gradually stir in the shredded cheddar cheese. Continue stirring until the cheese has completely melted and creates a luscious, creamy sauce enveloping the veggies. This cheesy mixture will be the heart of your Cheesy Broccoli, Sausage and Cauliflower Casserole, ensuring each bite is rich and flavorful.

Step 7: Combine with Sausage
Remove the skillet from heat and gently fold in the previously cooked sausage. Ensure that the sausage is evenly distributed throughout the cheesy vegetable mixture, combining flavors beautifully. This hearty filling adds protein and savory goodness to your casserole.

Step 8: Transfer to Baking Dish
Pour the entire mixture into your greased 9x13-inch baking dish, spreading it out evenly. Top it off with the grated Parmesan cheese and sprinkle bread crumbs generously over the top. This layer will create a wonderfully crispy finish as it bakes, making your casserole not only delicious but also visually appealing.

Step 9: Bake Until Golden
Place the casserole in the preheated oven and bake for 20-25 minutes. Keep an eye on it until the top is golden brown and crispy, signaling that it's ready to come out. The aroma wafting through your kitchen will be a delightful preview of the flavors you’re about to enjoy.

Step 10: Serve and Garnish
Once baked, remove the casserole from the oven and allow it to rest for about 5 minutes before serving. This resting period helps the flavors settle. Just before serving, garnish with chopped fresh parsley for a pop of color and flavor, making your Cheesy Broccoli, Sausage and Cauliflower Casserole even more inviting.

How to Store and Freeze Cheesy Broccoli, Sausage and Cauliflower Casserole

Fridge: Store leftovers in an airtight container for up to 3 days. Reheat in the microwave or oven until warmed through for a comforting meal anytime.

Freezer: For longer storage, freeze the casserole in a well-sealed container for up to 3 months. Thaw overnight in the fridge before reheating for the best texture.

Reheating: When ready to enjoy, reheat in the oven at 350°F (175°C) for about 20 minutes or until heated through. This helps maintain that delicious cheesy goodness in your Cheesy Broccoli, Sausage and Cauliflower Casserole.

Portioning: For easy meal prep, consider portioning into individual containers before freezing. This makes it simple to grab a single serving for lunch or dinner!

What to Serve with Cheesy Broccoli, Sausage and Cauliflower Casserole

As you prepare to dig into this delightful casserole, consider these complementary dishes to create a memorable meal experience.

  • Garlic Bread: Perfectly crisp and buttery, it adds a crunchy contrast to the creamy casserole, making every bite an indulgent delight. The aroma of freshly baked garlic bread will fill your kitchen, enticing everyone to the table!

  • Mixed Green Salad: Crisp greens topped with a light vinaigrette provide a refreshing counterbalance to the richness of the casserole. Toss in some cherry tomatoes and cucumber for added texture and color.

  • Roasted Brussels Sprouts: Their earthy flavor and caramelized edges enhance the dish, giving you a satisfying crunch along with the creamy casserole. Drizzle with balsamic glaze for an extra kick!

  • Honey-Glazed Carrots: Sweet and vibrant, these tender carrots add a lovely pop of color to your dinner plate, enhancing the overall visual appeal while offering a sweet contrast to the savory casserole.

  • Cornbread Muffins: Soft, fluffy, and slightly sweet, these muffins will soak up any extra cheese sauce and create a cozy, comforting pairing. Serve warm with butter for a delightful bite!

  • Chardonnay: A chilled glass of Chardonnay brings out the rich flavors of the casserole beautifully, offering a delightful balance between the creamy and savory elements of the dish.

  • Apple Pie: End your meal on a sweet note with a slice of warm apple pie. The spiced apples play perfectly against the richness of the casserole, ensuring a comforting finish to your dinner.

  • Fruit Salad: A medley of seasonal fruits will cleanse the palate and offer a burst of freshness that complements the casserole's hearty flavors. Opt for berries, melons, and citrus for a colorful dish.

Make Ahead Options

These Cheesy Broccoli, Sausage and Cauliflower Casserole components are perfect for busy home cooks looking to save time during the week! You can prepare the entire mixture (steps 2-7) up to 24 hours in advance. Simply store it in a greased 9x13-inch baking dish, cover well with plastic wrap or foil, and refrigerate. This helps maintain freshness and flavor. When you're ready to bake, simply sprinkle the Parmesan and bread crumbs on top (step 8) and pop it in the oven, adjusting the baking time by a few extra minutes if baking straight from the fridge. You'll enjoy all the comforting flavors of this casserole with minimal effort, making dinner feel effortless and delightful!

Cheesy Broccoli, Sausage and Cauliflower Casserole Variations

Feel free to play with the flavors and textures of this dish to make it truly yours—let your kitchen creativity shine!

  • Dairy-Free: Swap heavy cream and cheeses for coconut milk and vegan cheese alternatives for a dairy-free version without sacrificing creaminess.

  • Spicy Kick: Add more red pepper flakes or incorporate diced jalapeños for an exciting heat that’ll warm your heart and tantalize your taste buds.

  • Vegetarian Delight: Replace sausage with sautéed mushrooms or lentils for a hearty vegetarian twist that doesn't skimp on flavor or satisfaction.

  • Extra Veggies: Sneak in some chopped spinach, bell peppers, or zucchini for an added nutrient boost; it's a great way to get those daily greens!

  • Gluten-Free: Opt for gluten-free bread crumbs on top to maintain that crispy texture while ensuring this casserole fits gluten-free diets beautifully.

  • Cheese Lover's Dream: Mix in some gouda, mozzarella, or fontina cheese along with the cheddar for a richer, creamier texture that cheese enthusiasts will adore.

  • Meat Medley: Try combining Italian sausage with crumbled bacon or diced ham for an irresistible meat medley that adds depth and flavor to every bite.

  • Herb Infusion: Elevate the seasoning with fresh herbs such as thyme, oregano, or basil, bringing a fragrant aroma and vibrant freshness to your casserole.

With these variations, your Cheesy Broccoli, Sausage and Cauliflower Casserole can become a different tempting dish every time you make it!

Expert Tips for Cheesy Broccoli, Sausage and Cauliflower Casserole

  • Choose Quality Sausage: Use high-quality Italian sausage to ensure robust flavor. Don’t skimp, as it’s the star of your casserole!

  • Cut Veggies Evenly: Make sure to cut cauliflower and broccoli florets into similar sizes for even cooking. This prevents some pieces from being over or undercooked.

  • Avoid Overcooking Veggies: Sauté the veggies until just tender to maintain a little crunch. This adds texture and freshness to your Cheesy Broccoli, Sausage and Cauliflower Casserole.

  • Mix Cheeses for Extra Flavor: Combine different cheeses like mozzarella or gouda with cheddar for a richer taste. Experimenting can elevate your casserole to new heights!

  • Control the Spice: If you’re unsure about heat from red pepper flakes, start with less and taste as you go. Adjust according to your family’s preferences for a perfect balance.

  • Let it Rest: Allow the casserole to cool for 5 minutes after baking before serving. This helps it firm up and makes for easier serving without falling apart.

Cheesy Broccoli, Sausage and Cauliflower Casserole Recipe FAQs

How do I choose ripe veggies for this casserole?
Absolutely! When selecting your cauliflower and broccoli, look for heads that are firm and bright in color. The florets should be tightly packed without any dark spots or yellowing. Freshness is key for flavor and texture in your Cheesy Broccoli, Sausage and Cauliflower Casserole.

What’s the best way to store leftovers?
Store any leftover casserole in an airtight container in the refrigerator for up to 3 days. Make sure it’s completely cooled before sealing to prevent condensation. For easy reheating, I often recommend slicing portions beforehand!

Can I freeze this casserole?
Yes! To freeze, let the casserole cool completely, then cut it into serving-size portions. Wrap each slice tightly in plastic wrap, followed by aluminum foil, and place them in a freezer-safe bag. It can be frozen for up to 3 months. When you’re ready to enjoy it, simply thaw it overnight in the fridge before reheating.

What should I do if the casserole is too watery?
If you notice that your casserole has released too much liquid, a quick fix is to return it to the skillet after baking and let it simmer gently to reduce the liquid. Stirring ensures even cooking and helps thicken the mixture. Also, be sure to sauté the veggies just enough to remove excess moisture before combining everything!

Are there any dietary restrictions I should consider?
Very! If you’re cooking for someone with dairy allergies, consider using non-dairy cream and cheese alternatives. For those who are gluten-sensitive, you can swap out the bread crumbs for gluten-free versions or omit the topping altogether for a low-carb option!

How long does it take to reheat this casserole?
To reheat your Cheesy Broccoli, Sausage and Cauliflower Casserole, preheat your oven to 350°F (175°C) and bake for about 20-25 minutes, or until heated through. You could also microwave individual portions for about 2-3 minutes, ensuring even heating throughout!

Cheesy Broccoli, Sausage and Cauliflower Casserole

Cheesy Broccoli, Sausage and Cauliflower Casserole Delight

This Cheesy Broccoli, Sausage and Cauliflower Casserole combines hearty flavors for a comforting dish that sneaks in greens.
Print Pin Rate
Course: Main Dishes
Cuisine: Italian
Keyword: Casserole, Cauliflower, Cheesy Broccoli, comfort food, meal prep, sausage
Prep Time: 15 minutes minutes
Cook Time: 35 minutes minutes
Resting Time: 5 minutes minutes
Total Time: 55 minutes minutes
Servings: 6 servings
Calories: 350kcal

Equipment

  • large skillet
  • 9x13 inch baking dish

Ingredients

For the Casserole

  • 1 lb Italian sausage rich and savory base
  • 4 cups Cauliflower cut into florets
  • 2 cups Broccoli cut into florets
  • 1 cup Heavy cream adds creaminess
  • 2 cups Shredded cheddar cheese melts into the dish
  • 0.5 cup Grated Parmesan cheese for topping
  • 2 tablespoon Butter for sautéing
  • 3 cloves Garlic minced
  • 1 teaspoon Salt to taste
  • 0.5 teaspoon Black pepper to taste
  • 0.25 teaspoon Red pepper flakes optional
  • 0.25 teaspoon Nutmeg optional

For the Topping

  • 1 cup Bread crumbs for crunch
  • 0.25 cup Chopped fresh parsley for garnish

Instructions

Step-by-Step Instructions

  • Preheat your oven to 375°F (190°C). Gather your ingredients and equipment.
  • In a large skillet, cook the Italian sausage over medium heat for 8-10 minutes until browned.
  • Melt the butter in the same skillet and sauté the minced garlic for 1 minute.
  • Add the cauliflower and broccoli, sautéing for 5-7 minutes until slightly tender.
  • Pour in the heavy cream, salt, black pepper, red pepper flakes, and nutmeg. Mix well.
  • Reduce heat and stir in the cheddar cheese until melted and creamy.
  • Fold in the cooked sausage until evenly mixed with the veggies.
  • Pour the mixture into a greased 9x13-inch baking dish. Top with Parmesan and bread crumbs.
  • Bake for 20-25 minutes until the top is golden brown.
  • Allow to rest for 5 minutes, garnish with parsley, and serve.

Notes

Use quality sausage and fresh veggies for the best results. Let casserole rest before serving for easier slicing.

Nutrition

Serving: 1serving | Calories: 350kcal | Carbohydrates: 12g | Protein: 25g | Fat: 24g | Saturated Fat: 12g | Cholesterol: 90mg | Sodium: 800mg | Potassium: 600mg | Fiber: 4g | Sugar: 2g | Vitamin A: 800IU | Vitamin C: 90mg | Calcium: 300mg | Iron: 2mg

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Ellie Monroe

I’m Ellie, a 54-year-old home cook who believes the best recipes come from the heart. At Heavenly Recipe, I share comforting classics, sweet treats, and simple meals that anyone can make, just like the ones passed down through my family.

More about me

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