• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
myrecipesz.com

myrecipesz.com

  • Home
  • Desserts
  • Main Dishes
  • Pickles
  • Salad Healthy
  • Smoothies
  • Soups
  • Contact
  • About
myrecipesz.com
  • Home
  • Desserts
  • Main Dishes
  • Pickles
  • Salad Healthy
  • Smoothies
  • Soups
  • Contact
  • About
Main Dishes / Loaded Cauliflower Broccoli Casserole

Loaded Cauliflower Broccoli Casserole

September 24, 2025 von Kristin Romick

Jump to Recipe

Let’s get cooking with a Loaded Cauliflower Broccoli Casserole that’s so good, it’ll make you question your life choices (like ever ordering takeout again). This isn’t your grandma’s casserole, unless your grandma was a culinary ninja with a secret weapon: unbelievably delicious flavor. Get ready for a creamy, cheesy explosion of goodness.

This recipe is a game-changer, a side dish so epic it deserves its own spotlight. Prepare yourself for a symphony of textures and tastes that will leave you utterly satisfied.

Our Loaded Cauliflower Broccoli Casserole boasts:

Ease of preparation: This recipe is ridiculously simple, even a culinary novice can conquer it.

Flavor profile: A rich and savory blend that’s both comforting and exciting.

Visual appeal: Golden-brown and bubbly, it’s as pretty as it is tasty.

Versatility: Perfect for weeknight dinners, potlucks, or holiday gatherings.

Ingredients for Loaded Cauliflower Broccoli Casserole

Here’s what you’ll need to make this delicious dish:

  • Cauliflower Choose a large head of cauliflower, aiming for one that’s firm and free of blemishes. Cut it into florets for even cooking.
  • Broccoli Select fresh, vibrant broccoli florets. Look for deep green color and firm texture.
  • Chicken Breast Use boneless, skinless chicken breasts for ease of preparation. Cubing the chicken ensures even cooking and better distribution within the casserole.
  • Onion One medium yellow onion, finely chopped, will add a delightful savory base to the casserole.
  • Garlic Fresh garlic cloves, minced, are a must for that extra punch of flavor.
  • Cream of Mushroom Soup (Vegan) Opt for a vegan cream of mushroom soup to keep the dish entirely plant-based.
  • Milk (Dairy or Plant-Based) Use your preferred milk – dairy or plant-based – for creaminess.
  • Cheddar Cheese (Vegan) A good quality vegan cheddar cheese adds the perfect cheesy topping. Look for one with a sharp and flavorful profile.
  • Bread Crumbs (Panko) Panko breadcrumbs provide a light and crispy topping.
  • Butter (Vegan) Use a vegan butter substitute for a rich flavor without the dairy.
  • Seasonings Salt, pepper, paprika, garlic powder, onion powder – these will help elevate the flavor profile.
  • Agar-Agar (optional) A plant based gelling agent, use a small amount if you want a firmer casserole.
  • The full ingredients list, including measurements, is provided in the recipe card directly below.

    How to Make Loaded Cauliflower Broccoli Casserole

    Follow these simple steps to prepare this delicious dish:

    Step 1: Prep the Veggies and Chicken

    Preheat your oven to 375°F (190°C). Wash and cut the cauliflower and broccoli into bite-sized florets. Dice the chicken breast into small, roughly 1-inch cubes. Chop the onion and mince the garlic.

    Step 2: Sauté the Aromatics

    In a large skillet, melt the vegan butter over medium heat. Sauté the onions until softened, about 5 minutes. Add the garlic and cook for another minute until fragrant. Be careful not to burn the garlic.

    Step 3: Cook the Chicken

    Add the chicken cubes to the skillet and cook until browned and cooked through, about 7-10 minutes. Season with salt, pepper, paprika, garlic powder, and onion powder.

    Step 4: Combine the Casserole Ingredients

    In a large bowl, combine the cooked chicken, sautéed vegetables, cauliflower, broccoli, vegan cream of mushroom soup, and milk. Stir well to coat everything evenly. If using, stir in a small amount of agar-agar to help it set.

    Step 5: Bake to Perfection

    Pour the mixture into a greased 9×13 inch baking dish. Top with the vegan cheddar cheese and panko breadcrumbs. Bake for 30-35 minutes, or until golden brown and bubbly.

    Step 6: Serve and Enjoy

    Let the casserole cool slightly before serving. Serve warm, perhaps with a side of crusty bread for dipping into the creamy sauce.

    This Loaded Cauliflower Broccoli Casserole is a triumph. It’s a culinary adventure that’s both easy and impressive. You’ll be the star of the next potluck. Trust me.

    Perfecting the Cooking Process

    Loaded Cauliflower Broccoli Casserole image 2

    First, roast the cauliflower and broccoli until tender-crisp. While those are roasting, prepare the cheese sauce. Combine the cooked vegetables with the sauce and bake until bubbly and golden brown. This ensures perfectly cooked vegetables and a creamy, delicious casserole.

    Add Your Touch

    Experiment with different cheeses for varied flavor profiles. Add sauteed mushrooms or onions for extra texture and depth. A sprinkle of fresh herbs like parsley or thyme adds a lovely aromatic finish to your Loaded Cauliflower Broccoli Casserole.

    Storing & Reheating

    Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in the microwave or oven until heated through. Avoid over-reheating, as this can dry out the casserole.

    • Don’t overcook the vegetables; you want them tender-crisp, not mushy.
    • Use good quality cheese for a richer, more flavorful cheese sauce.
    • A little bit of nutmeg in the cheese sauce elevates the entire dish.

    My aunt’s rave review of my Loaded Cauliflower Broccoli Casserole after a family gathering solidified its place in our family traditions. She declared it the best she’d ever tasted!

    The Loaded Cauliflower Broccoli Casserole Recipe

    : A Culinary Adventure

    This Loaded Cauliflower Broccoli Casserole is not your grandma’s casserole (unless your grandma is a culinary genius, in which case, hats off to her!). It’s a vibrant, cheesy, and utterly satisfying dish that’s perfect for a cozy weeknight dinner or a festive get-together. Forget those sad, soggy casseroles of the past; this one is bursting with flavor and texture. We’re talking perfectly roasted cauliflower and broccoli, swimming in a luscious, homemade cheese sauce. Trust me, this dish is a crowd-pleaser, and you’ll be surprised at how easy it is to make.

    Ingredients You’ll Need

    : A Gathering of the Culinary Clan

    Before we embark on this culinary journey, let’s gather our ingredients. Think of it as assembling your superhero team, each player crucial to the final victory (a delicious casserole!).

    For the Roasted Vegetables:

    Large head of cauliflower, cut into florets

    Large head of broccoli, cut into florets

    2 tablespoons olive oil

    1 teaspoon salt

    1/2 teaspoon black pepper

    For the Cheese Sauce:

    1/4 cup butter

    1/4 cup all-purpose flour

    3 cups milk (or a plant-based milk alternative)

    1 teaspoon salt

    1/2 teaspoon black pepper

    1/4 teaspoon nutmeg (optional, but highly recommended)

    2 cups shredded cheddar cheese (or a blend of your favorite cheeses)

    1/2 cup shredded Gruyere cheese (optional, for extra richness)

    Roasting the Vegetables

    : Unleashing the Inner Fire

    The secret to a truly spectacular Loaded Cauliflower Broccoli Casserole lies in the perfectly roasted vegetables. We’re not aiming for mushy florets here, folks; we want tender-crisp perfection. Preheat your oven to 400°F (200°C). Toss the cauliflower and broccoli florets with olive oil, salt, and pepper. Spread them out on a baking sheet in a single layer. Roast for about 20-25 minutes, or until tender-crisp and slightly browned. Keep an eye on them to prevent burning.

    Crafting the Creamy Cheese Sauce

    : A Symphony of Flavor

    While your vegetables are roasting, let’s whip up a cheese sauce that would make even the most discerning cheese connoisseur swoon. Melt the butter in a medium saucepan over medium heat. Whisk in the flour and cook for 1-2 minutes, stirring constantly, to make a roux. Gradually whisk in the milk, ensuring there are no lumps. Bring the mixture to a simmer, stirring frequently, until it thickens slightly. Reduce the heat to low, stir in the salt, pepper, and nutmeg (if using). Remove from the heat and stir in the cheddar and Gruyere cheeses until melted and smooth. This is where your tastebuds will start doing a happy dance.

    Assembling the Casserole

    : The Grand Finale

    Now for the exciting part! Preheat your oven to 375°F (190°C). In a large bowl, combine the roasted cauliflower and broccoli with the creamy cheese sauce. Pour the mixture into a greased 9×13 inch baking dish. Bake for 20-25 minutes, or until bubbly and golden brown. Let it cool for a few minutes before serving.

    Serving Suggestions

    : A Culinary Celebration

    This Loaded Cauliflower Broccoli Casserole is incredibly versatile. Serve it as a main course with a side salad, or as a comforting side dish alongside roasted chicken or beef. It’s also fantastic served with crusty bread for dipping in that luscious cheese sauce.

    The Final Verdict

    : A Culinary Triumph

    This Loaded Cauliflower Broccoli Casserole recipe is a keeper. It’s easy to make, adaptable to your preferences, and guaranteed to impress. It’s a testament to the fact that simple ingredients can create something truly extraordinary. So go ahead, gather your ingredients, unleash your inner chef, and prepare to experience the culinary joy that is this fantastic Loaded Cauliflower Broccoli Casserole. Happy cooking!

    Conclusion for Loaded Cauliflower Broccoli Casserole

    This Loaded Cauliflower Broccoli Casserole is a fantastic side dish or even a hearty vegetarian main course. Its creamy texture, combined with the savory flavors of chicken broth and the delightful crunch of breadcrumbs, makes it a crowd-pleaser. The ease of preparation and the ability to make it ahead of time makes this recipe perfect for busy weeknights or special occasions. So ditch the takeout menus and embrace this healthy and delicious casserole – your taste buds (and your stomach!) will thank you. Remember to adjust seasonings to your liking and have fun experimenting with different cheeses and breadcrumb variations!

    Print
    clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon

    Loaded Cauliflower Broccoli Casserole

    5 Stars 4 Stars 3 Stars 2 Stars 1 Star

    No reviews

    Pin Recipe

    Delicious loaded cauliflower broccoli casserole recipe with detailed instructions and nutritional information.

    • Total Time: 35 minutes
    • Yield: 4 servings 1x

    Ingredients

    Scale
    • 1 large head cauliflower, cut into florets
    • 1 large head broccoli, cut into florets
    • 1 cup shredded cheddar cheese
    • 1/2 cup shredded Monterey Jack cheese
    • 1/2 cup mayonnaise
    • 1/4 cup sour cream
    • 1/4 cup bread crumbs
    • 1 teaspoon garlic powder
    • 1/2 teaspoon salt
    • 1/4 teaspoon black pepper

    Instructions

    1. Step 1: Preheat oven to 375°F (190°C). Steam or blanch the cauliflower and broccoli florets until tender-crisp, about 5-7 minutes. Drain well and set aside to cool slightly.
    2. Step 2: In a large bowl, combine the cooked cauliflower and broccoli, mayonnaise, sour cream, garlic powder, salt, and pepper. Mix gently until well combined.
    3. Step 3: Pour the cauliflower and broccoli mixture into a greased 9×13 inch baking dish.
    4. Step 4: Sprinkle the cheddar and Monterey Jack cheese evenly over the top of the vegetable mixture.
    5. Step 5: Top with bread crumbs.
    6. Step 6: Bake for 20-25 minutes, or until the cheese is melted, bubbly, and lightly browned. Let cool slightly before serving.

    Notes

    • Store leftovers in an airtight container in the refrigerator for up to 3 days.
    • For reheating, cover and microwave individual portions for 1-2 minutes, or until heated through.
    • Serve this hearty casserole alongside grilled chicken or fish for a complete and satisfying meal.
    • To prevent a soggy casserole, ensure the broccoli and cauliflower are thoroughly drained before mixing with the creamy sauce.
    • Author: Kristin Romick
    • Prep Time: 15 minutes
    • Cook Time: 20 minutes
    • Method: Stovetop
    • Cuisine: American

    Did you make this recipe?

    Feel free to use your amazing photos to create a new Pin for this recipe! Just remember to link back to this page so others can find it too. We love seeing you share the inspiration!

    FAQs

    Can I make this Loaded Cauliflower Broccoli Casserole ahead of time?

    Absolutely! This casserole actually tastes even better the next day. Prepare it completely, then cover it tightly and refrigerate it for up to two days. When you’re ready to bake it, just add about 15-20 minutes to the baking time to ensure it’s heated through and bubbly. This makes it perfect for potlucks or holiday gatherings – less stress for you, more deliciousness for everyone! You can even assemble it the night before, saving you precious time on the day you plan to serve it. Just pop it in the oven when you’re ready!

    What can I substitute for the chicken broth?

    Feeling adventurous? Experiment! Vegetable broth provides a similar savory base and works wonderfully. For a richer flavor, try beef broth. If you’re aiming for a lighter taste, chicken broth alternatives like mushroom broth or even a simple blend of water and bouillon cubes can work just as well. Remember to adjust seasonings to your preference after substituting the broth. The key is to find a broth that complements the other flavors in your Loaded Cauliflower Broccoli Casserole without overpowering them.

    Is this Loaded Cauliflower Broccoli Casserole gluten-free?

    Yes, this recipe is naturally gluten-free, assuming you use gluten-free breadcrumbs. Many commercially available breadcrumb brands offer gluten-free versions, and you can even make your own using gluten-free bread. Double-check your breadcrumbs’ ingredients to be absolutely certain. Making sure your breadcrumbs are gluten-free will keep this Loaded Cauliflower Broccoli Casserole completely safe for those with gluten sensitivities.

    How can I make my Loaded Cauliflower Broccoli Casserole extra cheesy?

    While this recipe is already bursting with cheesy goodness, there are ways to amplify that cheesy flavor! You could add a sprinkle of extra sharp cheddar or Parmesan cheese on top before baking. For a truly decadent experience, consider adding a layer of your favorite cheese sauce underneath the breadcrumb topping. A creamy cheese sauce adds another dimension to the casserole. Just remember that adding extra cheese will increase the overall calorie count, but hey, it’s worth it sometimes, right?

    « Previous Post
    Soft Ricotta Almond Pillows
    Next Post »
    Bean with turkey bacon soup

    If you enjoyed this…

    Desserts

    No-Bake Cheesecake Perfects: A Sweet Symphony of Simplicity

    Desserts

    The Best Pumpkin Pie Recipe to Impress Your Guests

    Salad Healthy

    Cajun-Inspired Creamy Macaroni Salad

    Reader Interactions

    Leave a Comment Cancel reply

    Helpful comments include feedback on the post or changes you made.

    Recipe rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star

    Primary Sidebar

    Browse by Diet

    SmoothiesSmoothiesMain DishesMain DishesSoupsSoupsDessertsDessertsPicklesPicklesSalad HealthySalad Healthy

    Crispy Orange Chicken

    Kuku Paka

    Shrimp and Asparagus Stir-Fry with Mushrooms: An Amazing Ultimate Recipe

    © 2025 · About · Contact · Typography · Privacy Policy · Terms of Use · Affiliate Disclaimer · CCPA · GDPR · DMCA