Cheddar Chicken and Broccoli Casserole

This Cheddar Broccoli Casserole has become a staple in our home, and for good reason! It’s the kind of dish that brings everyone to the table with smiles. Even the pickiest eaters in my family, who sometimes turn their noses up at vegetables, devour this cheesy, comforting bake. The creamy sauce, the tender broccoli florets, and that satisfying cheddar crust – it’s a symphony of textures and flavors that just works. Perfect for a cozy weeknight dinner or a potluck gathering, this casserole is endlessly adaptable and always a crowd-pleaser. It’s become my go-to when I need a dish that’s both comforting and easy to prepare, and I’m excited to share the magic of this recipe with you.

Ingredients for a Delightful Vegetarian Cheddar Broccoli Casserole

Here’s what you’ll need to create this cheesy broccoli masterpiece. We’re focusing on fresh, wholesome ingredients to bring out the best flavors in this vegetarian delight.

• Broccoli Florets: 6 cups, fresh or frozen (if frozen, thawed and drained) – The star vegetable, providing texture and nutritional goodness. Fresh broccoli delivers a slightly firmer texture, while frozen is a convenient alternative.
• Cheddar Cheese: 4 cups, shredded, sharp or medium – The heart of the cheesy flavor. Sharp cheddar will offer a bolder taste, while medium cheddar provides a milder, creamier profile.
• Butter: 1/2 cup, unsalted – For sautéing and creating a rich, flavorful sauce base. Unsalted butter allows you to control the overall saltiness of the dish.
• Yellow Onion: 1 medium, finely chopped – Adds a foundational savory flavor to the sauce. Yellow onions are versatile and mellow when cooked.
• Garlic: 3 cloves, minced – Enhances the savory notes and adds aromatic depth to the casserole. Freshly minced garlic is recommended for the best flavor.
• All-Purpose Flour: 1/2 cup – Used to thicken the sauce, creating a creamy, luscious texture.
• Milk: 4 cups, whole milk recommended for richness, but 2% or skim can be used – The liquid base of the creamy sauce, providing moisture and binding the ingredients together. Whole milk will result in a richer, creamier sauce.
• Vegetable Broth: 1 cup, low sodium – Adds another layer of flavor to the sauce and helps to thin it to the perfect consistency. Low sodium broth allows you to better control the salt level.
• Dijon Mustard: 1 tablespoon – Provides a subtle tang and depth of flavor, cutting through the richness of the cheese sauce.
• Nutmeg: 1/4 teaspoon, ground – A warm spice that complements the cheese and broccoli beautifully, adding a hint of sophistication.
• Salt: To taste – Enhances all the flavors in the casserole.
• Black Pepper: Freshly ground, to taste – Adds a touch of spice and complexity.
• Bread Crumbs: 1 cup, panko or regular – For a crispy topping. Panko bread crumbs offer a lighter, crispier texture compared to regular bread crumbs. (Optional but highly recommended for texture)

Instructions: Crafting Your Perfect Cheddar Broccoli Casserole

Follow these step-by-step instructions to create a vegetarian Cheddar Broccoli Casserole that will impress everyone.

Step 1: Prepare the Broccoli

If using fresh broccoli, wash it thoroughly and cut it into bite-sized florets. You want them to be relatively uniform in size so they cook evenly. You can steam, boil, or roast the broccoli.

• Steaming: Steaming is a gentle method that retains the broccoli’s vibrant green color and nutrients. Bring about an inch of water to a boil in a pot with a steamer basket. Place the broccoli florets in the basket, cover, and steam for about 5-7 minutes, or until they are tender-crisp. You want them to be slightly cooked but still have a little bite, as they will continue to cook in the oven.
• Boiling: If boiling, bring a pot of salted water to a rolling boil. Add the broccoli florets and cook for 3-5 minutes, or until they are tender-crisp. Be careful not to overcook them, as they can become mushy. Drain immediately and rinse with cold water to stop the cooking process and preserve their color.
• Roasting: For a slightly different flavor profile, you can roast the broccoli. Toss the florets with a little olive oil, salt, and pepper. Spread them in a single layer on a baking sheet and roast at 400°F (200°C) for about 15-20 minutes, or until they are tender-crisp and slightly browned. Roasting will bring out a slightly nutty flavor in the broccoli.

If using frozen broccoli, ensure it is fully thawed and thoroughly drained of excess water. Excess water will make your casserole sauce watery, so this step is crucial. You can thaw it in the refrigerator overnight or microwave it briefly using the defrost setting. Once thawed, squeeze out as much water as possible using your hands or a clean kitchen towel.

Step 2: Sauté the Aromatics

In a large, oven-safe skillet or a large saucepan over medium heat, melt the butter. Once melted, add the finely chopped onion and sauté until softened and translucent, about 5-7 minutes. Stir occasionally to prevent browning. Softening the onions first releases their sweetness and mild flavor, forming a base for the sauce.

Next, add the minced garlic to the skillet and sauté for another minute, or until fragrant. Be careful not to burn the garlic, as it can become bitter. Sautéing the garlic briefly releases its aromatic oils and enhances its flavor without overpowering the dish.

Step 3: Create the Creamy Cheese Sauce

Reduce the heat to low. Sprinkle the all-purpose flour over the onion and garlic mixture in the skillet. Cook, stirring constantly with a whisk, for 1-2 minutes. This creates a roux, which is the base for a smooth and creamy sauce. Cooking the flour slightly removes the raw flour taste and ensures the sauce thickens properly.

Gradually whisk in the milk and vegetable broth, a little at a time, ensuring each addition is fully incorporated before adding more. This prevents lumps from forming and creates a smooth sauce. Continue whisking until the sauce is smooth and begins to thicken slightly.

Stir in the Dijon mustard and nutmeg. The Dijon mustard adds a subtle tang that balances the richness of the cheese, while the nutmeg provides a warm, comforting spice note that complements the cheese and broccoli. Season with salt and freshly ground black pepper to taste. Remember that cheddar cheese is also salty, so season cautiously and adjust later if needed.

Step 4: Melt in the Cheese

Reduce the heat to very low. Gradually add about 3 cups of the shredded cheddar cheese to the sauce, stirring constantly until the cheese is fully melted and the sauce is smooth and creamy. Reserve the remaining 1 cup of cheese for the topping. Adding the cheese gradually ensures it melts smoothly into the sauce and prevents it from becoming stringy or clumpy.

Step 5: Combine Broccoli and Sauce

Gently fold in the prepared broccoli florets into the cheese sauce. Make sure the broccoli is evenly coated with the sauce. Distribute the broccoli throughout the sauce so that each floret is enveloped in cheesy goodness.

Step 6: Prepare for Baking (Optional Topping)

If you desire a crispy topping, now is the time to prepare it. In a small bowl, toss the bread crumbs with a tablespoon of melted butter (optional, but adds flavor and crispness).

Step 7: Bake the Casserole

If using an oven-safe skillet, you can bake the casserole directly in the skillet. If not, transfer the broccoli and cheese sauce mixture to a greased 9×13 inch baking dish.

Sprinkle the remaining 1 cup of shredded cheddar cheese evenly over the top of the casserole. If using bread crumbs, sprinkle the buttered bread crumbs over the cheese.

Bake in a preheated oven at 375°F (190°C) for 20-25 minutes, or until the casserole is bubbly, heated through, and the cheese topping is melted and golden brown. If using bread crumbs, they should be nicely browned and crispy.

Step 8: Rest and Serve

Remove the casserole from the oven and let it rest for 5-10 minutes before serving. This allows the casserole to set slightly and makes it easier to serve. Resting also helps to prevent burning your mouth on molten cheese!

Nutrition Facts for Vegetarian Cheddar Broccoli Casserole (per serving)

(Note: Nutritional values are estimates and can vary based on specific ingredients and serving sizes.)

• Serving Size: Approximately 1 cup
• Servings per recipe: 8-10
• Calories per serving: Approximately 350-450 kcal
• Protein: 15-20g
• Fat: 25-35g

Preparation Time: From Prep to Plate

This comforting Cheddar Broccoli Casserole is wonderfully manageable in terms of preparation time.

• Prep Time: 20-25 minutes (includes chopping vegetables, preparing sauce, and assembling casserole)
• Cook Time: 20-25 minutes (baking time in the oven)
• Total Time: 40-50 minutes

This makes it a fantastic option for a satisfying meal even on busy weeknights. You can even prep components like chopping vegetables or making the sauce ahead of time to further streamline the process.

How to Serve Your Delicious Casserole

This versatile casserole can be enjoyed in numerous ways. Here are some serving suggestions:

• As a Hearty Main Course: Serve generous portions of the casserole as the star of your meal. It’s satisfying enough on its own, especially for a vegetarian dinner.
• As a Comforting Side Dish: Pair it with other dishes to create a balanced and flavorful meal. It complements:
  • Roasted Vegetables: Serve alongside roasted carrots, Brussels sprouts, or asparagus for a vegetable-rich meal.
  • Salads: A fresh green salad with a vinaigrette dressing provides a lovely contrast to the richness of the casserole.
  • Grilled or Roasted Tofu/Tempeh: For added protein, serve alongside grilled or roasted tofu or tempeh for a fully plant-based feast. (If you want to add meat for non-vegetarians, grilled chicken or fish would also pair well, although we are focusing on a vegetarian recipe here).
• For Brunch or Lunch: This casserole is equally delightful for a weekend brunch or a comforting lunch.
• Potlucks and Gatherings: Its crowd-pleasing nature makes it perfect for potlucks, holiday gatherings, and family dinners. It travels well and can be easily reheated.
• With Crusty Bread: Serve with slices of crusty bread or garlic bread to soak up every last bit of the delicious cheese sauce.

Additional Tips for Casserole Perfection

Elevate your Cheddar Broccoli Casserole with these helpful tips and variations:

1. Cheese Variations: Experiment with different types of cheese! Try adding a blend of cheddar and Gruyere for a nutty, complex flavor, or pepper jack for a spicy kick. Monterey Jack or Colby cheese can also add creaminess and mild flavor.
2. Spice it Up: For those who like a bit of heat, add a pinch of red pepper flakes to the sauce or use pepper jack cheese. A dash of hot sauce can also be swirled into the sauce before baking.
3. Add a Crunchy Topping: Beyond bread crumbs, consider using crushed crackers (like Ritz or buttery crackers), fried onions, or even toasted nuts (like slivered almonds or pecans) for a different textural element.
4. Boost the Vegetable Power: Incorporate other vegetables alongside the broccoli. Cauliflower florets, chopped carrots, or sliced mushrooms would be delicious additions. Roast or sauté them lightly before adding them to the casserole.
5. Make it Gluten-Free: To make this casserole gluten-free, use gluten-free all-purpose flour blend and gluten-free bread crumbs (or omit the bread crumb topping altogether). Ensure all other ingredients are also certified gluten-free if necessary.
6. Make it Dairy-Free (with adjustments): While traditionally a dairy-rich dish, you can adapt it for dairy-free diets. Use plant-based butter, plant-based milk (like oat or cashew milk for creaminess), and dairy-free cheddar cheese alternatives. The flavor and texture will be slightly different, but still delicious.
7. Make-Ahead Magic: Assemble the casserole completely (up to the baking step) and store it, covered, in the refrigerator for up to 24 hours. Bake as directed when ready to serve, adding a few extra minutes to the baking time if starting from cold.
8. Herbs for Freshness: Fresh herbs can brighten up the casserole. Sprinkle chopped fresh parsley, chives, or thyme over the top after baking for a pop of color and fresh flavor.

Frequently Asked Questions (FAQ) About Cheddar Broccoli Casserole

Here are answers to some common questions you might have about making this delicious casserole:

Q1: Can I use frozen broccoli instead of fresh?

A: Yes, absolutely! Frozen broccoli is a convenient and perfectly acceptable substitute. Just be sure to thaw it completely and drain it very well to remove excess water before adding it to the casserole. Excess water can make the sauce watery.

Q2: Can I make this casserole ahead of time?

A: Yes, you can! This casserole is a great make-ahead dish. Assemble it completely (up to the baking step), cover it tightly, and store it in the refrigerator for up to 24 hours. When you’re ready to bake, simply remove it from the refrigerator and bake as directed, adding a few extra minutes to the baking time if starting from cold.

Q3: How do I prevent the cheese sauce from being grainy?

A: To ensure a smooth cheese sauce, use freshly shredded cheese rather than pre-shredded cheese, which often contains cellulose that can hinder melting. Also, melt the cheese over low heat and stir constantly until it’s fully melted and incorporated into the sauce. Avoid boiling the sauce once the cheese is added, as high heat can cause the cheese to separate and become grainy.

Q4: Can I add other vegetables to this casserole?

A: Definitely! This casserole is very adaptable. You can add other vegetables like cauliflower, carrots, mushrooms, peas, or corn. Roast or sauté harder vegetables like carrots and cauliflower beforehand to ensure they are tender in the final dish.

Q5: What’s the best type of cheddar cheese to use?

A: The best type of cheddar depends on your flavor preference. Sharp cheddar will provide a bolder, more pronounced cheese flavor, while medium cheddar offers a milder, creamier taste. For a really rich flavor, you can even use extra sharp cheddar. You can also use a blend of cheddar types for a more complex flavor profile.

Q6: How do I reheat leftover casserole?

A: Leftover casserole reheats beautifully. You can reheat it in the oven at 350°F (175°C) for about 15-20 minutes, or until heated through. Cover it loosely with foil to prevent the top from browning too much. You can also reheat individual portions in the microwave on medium power until heated through, about 2-3 minutes.

Q7: Can I freeze Cheddar Broccoli Casserole?

A: Yes, you can freeze this casserole, although the texture might change slightly upon thawing and reheating. For best results, freeze it before baking. Assemble the casserole in a freezer-safe dish, cover it tightly with plastic wrap and then foil, and freeze for up to 2-3 months. Thaw it in the refrigerator overnight before baking as directed, adding extra baking time if needed. Baked casserole can also be frozen, but the sauce may separate slightly upon thawing.

Q8: Is this recipe vegetarian?

A: Yes, this recipe as written is vegetarian! It focuses on broccoli, cheese, and a creamy sauce, without any meat or meat-based products. It’s a delicious and satisfying vegetarian comfort food dish. If you want to ensure it remains vegetarian, always double-check the ingredients of your vegetable broth and any other components you use to ensure they are plant-based.

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