Broccoli and Cauliflower Cheesy Casserole Ingredients 1 large head of broccoli, cut into florets 1 large head of cauliflower, cut into florets 1/2 cup butter, melted 1/2 cup all-purpose flour 3 cups milk 4 cups shredded cheddar cheese, divided 1/2 teaspoon salt 1/4 teaspoon black pepper 1/2 cup bread crumbs 2 tablespoons butter, melted (for…
Broccoli and Cauliflower Cheesy Casserole
Ingredients
- 1 large head of broccoli, cut into florets
- 1 large head of cauliflower, cut into florets
- 1/2 cup butter, melted
- 1/2 cup all-purpose flour
- 3 cups milk
- 4 cups shredded cheddar cheese, divided
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1/2 cup bread crumbs
- 2 tablespoons butter, melted (for topping)
Step-by-Step
1. Preheat your oven to 350°F (175°C). Grease a 9×13 inch baking dish.

2. Steam or boil the broccoli and cauliflower florets until tender-crisp, about 5-7 minutes. Drain well and set aside.
3. In a large saucepan, melt 1/2 cup of butter over medium heat.
4. Whisk in the flour until smooth. Cook for 1 minute, stirring constantly.
5. Gradually whisk in the milk until the mixture is smooth.
6. Bring to a simmer, stirring constantly, until the sauce thickens, about 5-7 minutes.
7. Remove from heat and stir in 3 cups of the shredded cheddar cheese, salt, and pepper until the cheese is melted and the sauce is smooth.
8. In the prepared baking dish, combine the cooked broccoli and cauliflower florets.
9. Pour the cheese sauce evenly over the vegetables.
10. In a small bowl, combine the bread crumbs and the remaining 2 tablespoons of melted butter.
11. Sprinkle the bread crumb mixture evenly over the top of the casserole.
12. Sprinkle the remaining 1 cup of shredded cheddar cheese over the bread crumbs.
13. Bake for 20-25 minutes, or until the casserole is heated through and the topping is golden brown and bubbly.
14. Let stand for a few minutes before serving.
The Perfect Broccoli and Cauliflower Combination
Broccoli and cauliflower are nutritional powerhouses. Combining them in a cheesy casserole creates a dish that’s both delicious and good for you.
This casserole is a great way to sneak in extra vegetables. Even picky eaters will enjoy this cheesy creation.
Nutritional Benefits of Broccoli and Cauliflower
Broccoli is rich in vitamins C and K, as well as fiber.
Cauliflower is an excellent source of antioxidants. It is also a good source of choline.
Together, they provide a wide range of essential nutrients.
Why This Recipe Works
The key to this recipe is the creamy cheese sauce. It coats the vegetables perfectly.
The breadcrumb topping adds a delightful crunch. This provides a great textural contrast.
The combination of flavors and textures makes this casserole irresistible.
Variations and Customizations
This recipe is easily adaptable to your personal preferences. Experiment with different cheeses or add-ins to create your own unique version.
Cheese Variations
Try using Gruyere, Monterey Jack, or even a smoky Gouda for a different flavor profile.
A combination of cheeses can also add complexity. Consider mixing cheddar with Parmesan or mozzarella.
Add-Ins and Enhancements
Cooked bacon bits can add a smoky, savory flavor.
Chopped ham or sausage are also great additions for a heartier meal.
For a spicy kick, add a pinch of red pepper flakes to the cheese sauce.
Making it Gluten-Free
Simply substitute the all-purpose flour with a gluten-free flour blend.
Use gluten-free breadcrumbs for the topping.
Ensure all other ingredients are gluten-free as well.
Tips for the Best Casserole
Follow these tips to ensure your casserole turns out perfectly every time.
Preparing the Vegetables
Do not overcook the broccoli and cauliflower. They should be tender-crisp.
Overcooked vegetables will become mushy in the casserole.
Making the Cheese Sauce
Whisk the flour and butter together thoroughly to prevent lumps.
Gradually add the milk to ensure a smooth sauce.
Cook the sauce until it is thick enough to coat the back of a spoon.
Assembling and Baking
Make sure the vegetables are evenly distributed in the baking dish.
Sprinkle the breadcrumb topping evenly over the cheese sauce.
Bake until the casserole is heated through and the topping is golden brown.
Serving Suggestions
This casserole is a versatile dish that can be served as a side dish or a main course.
Side Dish Pairing
Serve it alongside roasted chicken, pork chops, or steak.
It also pairs well with grilled fish or vegetarian entrees.
Main Course Ideas
Add cooked protein, such as chicken or ham, to make it a complete meal.
Serve it with a side salad for a light and healthy lunch or dinner.
Holiday Meal Addition
This casserole is a great addition to any holiday meal.
It is a crowd-pleasing dish that everyone will enjoy.
Make-Ahead Instructions and Storage
This casserole can be prepared ahead of time and baked later. It can also be stored in the refrigerator for several days.
Preparing Ahead of Time
Assemble the casserole completely, but do not bake it.
Cover it tightly with plastic wrap and refrigerate for up to 24 hours.
When ready to bake, preheat the oven and bake as directed, adding a few extra minutes if necessary.
Storage and Reheating
Store leftover casserole in an airtight container in the refrigerator for up to 3-4 days.
Reheat in the oven at 350°F (175°C) until heated through.
You can also reheat it in the microwave, but the topping may not be as crispy.

FAQ
Can I use frozen broccoli and cauliflower?
Yes, you can use frozen broccoli and cauliflower. Thaw them completely and drain off any excess water before adding them to the casserole.
Can I make this casserole with different vegetables?
Yes, you can substitute other vegetables, such as carrots, peas, or green beans.
Can I freeze this casserole?
While possible, freezing and thawing can alter the texture. If freezing, cool completely, wrap tightly in plastic wrap and foil, and freeze for up to 2 months. Thaw overnight in the refrigerator before baking.
How can I make this casserole healthier?
Use low-fat cheese and milk to reduce the fat content. You can also add more vegetables and reduce the amount of breadcrumbs.
How do I prevent the breadcrumb topping from burning?
If the breadcrumb topping starts to brown too quickly, cover the casserole with foil for the remaining baking time.
