Broccoli & Cauliflower Cheese Bake

This delicious Broccoli and Cauliflower Cheese Bake includes vine-ripened cherry tomatoes and is topped with crispy bread and melted cheese. It comes together quickly, using easy-to-find ingredients for an easy side dish any night of the week.

A slice of a broccoli cauliflower cheese bake

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Kick-off Meatless Monday with this easy broccoli and cauliflower bake! This dish can be enjoyed by vegetarians, flexitarians and meat-eaters alike. You only need a few ingredients to bring this delicious dish to life and it does not require too much prep making it great for busy weeknights.

This broccoli casserole recipe will have everyone drooling as it delivers so much flavour. The florets, tomatoes, cheese and breadcrumbs complement each other perfectly. While the onion soup adds a rich delicious onion flavour making it even yummier! If you are a broccoli lover like me then you will also love this baked broccoli recipe.

A table showing a broccoli casserole.

Why I love this Recipe

  • One thing I love about this broccoli cauliflower bake is that it can be made ahead of time. All you have to do is prep your ingredients on the stove, add them to a casserole dish, cover the dish and refridgerate. Then when you are ready to broil the casserole top it with the breadcrumb mixture and cheese then pop it in the oven.
  • This dish is packed with veggies making it nutritious and it’s not the worst way to get the littles ones to eat more vegetables.
  • Can we talk about the fact that you won’t have to do much washing up? All you’ll need is a small bowl to make the topping, a saucepan to cook the ingredients and a casserole dish for broiling!
Ingredients for a Broccoli Cauliflower and Cheese Bake

Ingredients

  • Broccoli: I prefer to use fresh broccoli for this recipe. Chop the florets into medium or bite sized pieces so that they are easier to eat. You can also use frozen broccoli instead if you don’t have any fresh broccoli to hand.
  • Cauliflower: The same goes for the cauliflower. Use fresh cauliflower if possible and chop them into bite sized pieces. Alternatively, you can use frozen cauliflower.
  • Cherry tomatoes: Cherry tomatoes add a burst of tangy flavour to this casserole. Pick cherry tomatoes that are juicy, vibrant and ripe.
  • Bread: Crumbled day old bread should be used for the topping. Make sure you combine it with garlic and oil to add flavour. You also have the option to dry the bread in the oven. Make sure you take it out before it is brown. It should just feel stale and dry.
  • Mozzarella: This cheese is always fun and delicious to eat. Use good quality shredded mozzarella for this recipe.
  • Garlic: Chop up fresh garlic for this recipe. If you don’t have fresh garlic then use garlic powder instead. Rule of thum is 1/3 of a tsp dried garlic powder for every tsp of fresh.
  • Fresh Parsley: Parsley really brings this dish to life and adds a fresh herby flavour.
  • Envelope onion soup mix and water: Don’t skip the onion soup mix! Adding onion soup makes this the best broccoli casserole ever because it adds moisture as well as a lip smacking onion flavour to the veggies!
  • Oil: Combine olive oil with the breadcrumbs and use grapseed oil to cook the veggies.

How to Make Cauliflower & Broccoli Cheese bake

Combine bread crumbs, cheese, parsley, olive oil and garlic in a small bowl to make the casserole topping. Set aside for later.

A bowl of bread crumbs with cheese and parsley

Once you have combined the breadcrumbs heat grapeseed oil in a large pan over medium-high heat. Cook the broccoli and cauliflower for about 2 minutes and stir occasionally.

Next, add the onion soup mix, water and to the pan then stir until blended.

A pan filled with broccoli, cauliflower and cherry tomatoes

Bring to a boil over high heat, then reduce the heat to low and simmer for about 8 minutes. Make sure the pan is uncovered stir occasionally or until the broccoli and cauliflower are fork-tender.

Add the tomato mix and leave to simmer for another 2 minutes.

Spoon the vegetable mixture into a 9″ X 11″ casserole dish. Then top with the crumbled day-old bread and sprinkle with the remaining cheese.

A casserole dish topped with bread crumbs, cheese and parsley

Place casserole dish in the oven and broil for about 1-2 minutes or until bread crumbs are golden and the cheese has melted. Serve broccoli cauliflower casserole hot.

Variations

  • Customize this casserole to suit your taste. If you prefer broccoli casserole then double the amount of broccoli and skip the cauliflower. You can also go for a cauliflower only casserole instead.
  • Top the broccoli and cauliflower bake with your favourite cheese. Some great options include Monterey Jack cheese, parmesan cheese or cheddar cheese.
  • If you don’t have day old bread then you can top this casserole with breadcrumbs or panko instead.
A close up of a broccoli cauliflower bake

FAQ

How to store broccoli casserole?

If you have leftovers or want to save some for later add the casserole to an airtight container and refrigerate for 3-4 days.

More easy Weeknight Side Dishes To Try

A slice of a broccoli cauliflower cheese bake

Broccoli And Cauliflower Cheese Bake

Alisa Infanti | The Delicious Spoon
This delicious Broccoli and Cauliflower Bake includes broccoli, cauliflower, bread, mozzarella, tomatoes, onion seasoning and garlic. It comes together quickly, using easy-to-find ingredients for a comforting main dish any night of the week.
4.88 from 8 votes
Prep Time 5 minutes
Cook Time 15 minutes
Total Time 20 minutes
Course Dinner, Side Dish
Cuisine North American
Servings 6 people
Calories 247 kcal

Equipment

  • Oven
  • Small Bowl
  • Saucepan
  • Casserole dish
  • Measuring Cups
  • Measuring Spoons
  • Chopping Knife
  • Wooden Spoon

Ingredients
  

  • 2 ¼ cups of crumbled day old bread
  • 1 cup shredded mozzarella
  • 2 tbsp fresh parsley chopped
  • 2 cloves garlic minced
  • 1 tbsp olive oil
  • 4 cups broccoli
  • 4 cups cauliflower
  • 1 tbsp grapeseed or vegetable oil
  • 1 envelope onion soup mix
  • 1 cup water
  • ½ pint cherry tomatoes quartered

Instructions
 

  • In a small bowl combine the bread crumbs, cheese, parsley, 1 tbsp of olive oil and garlic. Set aside.
  • Heat the grapeseed oil in a large pan over medium-high heat and cook the broccoli and cauliflower for about 2 minutes. Stirring occasionally.
  • Add the onion soup mix and water and stir until blended. Bring to a boil over high heat, then reduce the heat to low and let simmer uncovered for about 8 minutes stirring occasionally or until broccoli and cauliflower are fork-tender.
  • Add the tomato, mix and let simmer for another 2 minutes.
  • Spoon the vegetable mixture into a 9" X 11" casserole dish and top with the crumbled day-old bread and sprinkle with the remaining 1/2 cup of cheese.
  • Place in oven on broil for about 1-2 minutes or until bread crumbs are golden and cheese is melted. Serve hot.

Nutrition

Serving: 228gCalories: 247kcalCarbohydrates: 33.5gProtein: 11.3gFat: 9gSaturated Fat: 4.2gPolyunsaturated Fat: 1gMonounsaturated Fat: 2.9gTrans Fat: 0.1gCholesterol: 9mgSodium: 800mgPotassium: 636mgFiber: 4.9gSugar: 9.8gVitamin A: 1682IUVitamin C: 84.2mgCalcium: 212mgIron: 1.9mg

Notes

Variations
  • Customize this casserole to suit your taste. If you prefer broccoli casserole then double the amount of broccoli and skip the cauliflower. You can also go for a cauliflower-only casserole instead.
  • Top the broccoli and cauliflower casserole with your favorite cheese. Some great options include Monterey Jack cheese, parmesan cheese or cheddar cheese.
  • If you don’t have day-old bread then you can top this casserole with breadcrumbs or panko instead.
Please Note:

The information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for a professional nutritionist’s advice.

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10 Comments

  1. 5 stars
    You have taken boring broccoli and cauliflower and made them in to a fantastic dish. I could eat this as my meal.

  2. 5 stars
    What a fabulous casserole! I love that it’s loaded with veg and flavor and the cheese is just right! Delish!

  3. 5 stars
    Like the idea of the bursts of flavor and color with the tomatoes in there, as well as the crunchy top. Looks very comforting.

  4. 4 stars
    I had your vegan veg & chickpea stew today and it was outstandingly flavoured, I’m having your Broccoli & Cauliflower Cheese Bake as a side with Stuffed roasted chicken tomorrow and I think it will go down a treat, can’t wait. Great recipe’s keep them coming as I’m on a diet and love my veg.

    1. I am thrilled that you enjoyed the stew, Gerard. I have lots of veggie dishes you may like. Look under the category side dishes on the blog and you will find many more.

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