Broccoli and Cheddar Casserole

🕒 Prep: 15 min
🔥 Cook: 30 min
🍽 Serves: 6
★★★★★
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This Broccoli and Cheddar Casserole is a hearty, comforting dish perfect for chilly evenings. It combines tender broccoli with rich cheddar, all topped with a crispy Ritz cracker crust. This recipe is simple yet satisfying, making it a family favorite.

Broccoli and Cheddar Casserole

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Ingredients for Broccoli and Cheddar Casserole

Ingredients for Broccoli and Cheddar Casserole

Broccoli florets are the star of the show, providing a nutritious and colorful base. Unsalted butter gives a rich flavor without overwhelming saltiness. Onion and garlic bring aromatic depth to the dish. Cheddar cheese melts beautifully, adding a creamy texture and sharp flavor. The combination of sour cream and mayonnaise creates a luscious, tangy sauce. Ritz crackers add a buttery crunch, while Parmesan cheese and paprika enhance the topping with umami and a touch of heat.

Why This Broccoli and Cheddar Casserole Works

During steaming, the broccoli softens just enough so it’s tender but still has a bit of bite. It doesn’t sit in the oven long enough to dry out, so it stays juicy inside. While the broccoli steams, the onion and garlic slowly soften in the butter. They lose their sharp bite and start to taste sweeter and milder, so they blend better into the creamy mix.

Once the hot onions hit the sour cream, mayonnaise, and cheddar, the cheese starts to loosen and spread through the whole bowl. It doesn’t fully melt yet, it just coats the broccoli so every piece is covered. In the oven, the cheddar finally melts all the way and fills the spaces between the broccoli, so the casserole holds together in soft, cheesy pockets instead of falling apart.

On top, the crushed Ritz crackers and Parmesan dry out and brown. The butter and fat from the cheese soak into the crumbs, so they turn crisp and golden instead of staying dusty. After baking, a short rest lets the cheese settle a bit, so scoops come out creamy underneath with a crunchy top.

Broccoli and Cheddar Casserole Tips & Tricks

  • Use fresh broccoli if possible, but frozen works in a pinch—just make sure to thaw and drain it well.
  • For an extra crispy topping, you can toast the cracker mixture in a skillet before sprinkling it on.
  • Feel free to add a pinch of cayenne pepper to the cheese mix if you like a little heat.

Mistakes To Avoid

Boiling the broccoli instead of steaming it, or cooking it until very soft, makes it waterlogged. That extra water leaks out into the casserole while it bakes, so the sauce turns thin and soupy instead of creamy and the broccoli pieces go mushy.

Skipping the step of sautéing the onion and garlic and tossing them in raw leaves them sharp and hard. In the oven they don’t fully soften, so the casserole ends up with crunchy bits and little pockets where the onion stays separate instead of blending into the creamy mixture.

Adding the broccoli while it is still very hot can cause the cheese, sour cream, and mayonnaise mixture to loosen and turn oily. The fat separates a bit, so instead of a smooth, thick coating, the casserole bakes up with greasy spots and less body.

Letting the Ritz cracker topping sit on the mixture for a long time before baking lets it soak up moisture. By the time it goes in the oven, the crumbs are already soggy, so the top bakes up soft instead of crisp and crunchy.

Equipment Used:

Oven, Skillet, Steamer, Baking Dish

Ingredients

  1. 1 lb broccoli florets
  2. 2 tbsp unsalted butter
  3. 1 small onion, finely chopped
  4. 2 cloves garlic, minced
  5. 2 cups shredded cheddar cheese
  6. 1 cup sour cream
  7. 1/2 cup mayonnaise
  8. 1/2 tsp salt
  9. 1/4 tsp black pepper
  10. 1 cup crushed Ritz crackers
  11. 2 tbsp grated Parmesan cheese
  12. 1/2 tsp paprika

Step-by-step Instructions

  1. 1. Preheat your oven to 350°F.
  2. 2. Steam the broccoli florets until bright green and tender-crisp, about 5 minutes.
  3. 3. In a large skillet over medium heat, melt the butter and sauté the onion and garlic until softened, about 3 minutes.
  4. 4. In a large mixing bowl, combine the sautéed onion and garlic with the cheddar cheese, sour cream, mayonnaise, salt, and pepper.
  5. 5. Add the steamed broccoli to the cheese mixture, stirring gently to combine.
  6. 6. Transfer the broccoli mixture to a greased 9x13 inch baking dish.
  7. 7. In a small bowl, mix the crushed Ritz crackers, Parmesan cheese, and paprika.
  8. 8. Sprinkle the cracker mixture evenly over the broccoli mixture.
  9. 9. Bake in the preheated oven for 25-30 minutes, until the top is golden brown and the casserole is bubbly.
  10. 10. Let cool for 5 minutes before serving.

Frequently Asked Questions

Can I make this casserole ahead of time?
Yes, you can prepare it a day in advance. Just cover and refrigerate until you’re ready to bake. Add a few extra minutes to the baking time if it’s cold from the fridge.
What can I use instead of Ritz crackers?
Panko breadcrumbs or crushed cornflakes are good alternatives if you want to switch things up.

Serving Ideas for Broccoli and Cheddar Casserole

This casserole pairs beautifully with roasted chicken or pork chops. For a lighter meal, serve it alongside a simple green salad with a vinaigrette to cut through the richness. It’s also great as a standalone vegetarian main dish.

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This recipe is for informational purposes only. Always follow proper food safety practices, cook foods to safe internal temperatures, and store leftovers appropriately. Results may vary.