Sunday Baked Vegetable Casserole

Highlighted under: Baking & Desserts

I love whipping up this Sunday Baked Vegetable Casserole as a comforting way to celebrate the weekend. The layers of fresh veggies and bubbling cheese create a delightful aroma that fills my kitchen. It’s the perfect dish to share with family or friends, and you can easily customize it with your favorite vegetables. I appreciate that it’s not only delicious but also a healthy option packed with nutrients. This casserole has become a beloved tradition in my home, and I’m excited to share it with you!

Freya Cooper

Created by

Freya Cooper

Last updated on 2026-01-13T19:04:17.976Z

Cooking this casserole is as much about creating warmth as it is about the flavors involved. I often use seasonal vegetables, which not only enhance the taste but also bring a visually appealing array of colors to the dish. Using a mixture of spices helps bring the vegetables to life, and the melted cheese on top is like a warm hug, making every bite feel cozy.

One trick I’ve found is to slightly steam the tougher vegetables, like carrots and broccoli, before layering them in the casserole. This ensures they’re tender, while the baking time allows all flavors to meld beautifully. It’s a simple step that elevates the entire dish and guarantees a satisfying texture throughout.

Why You Will Love This Recipe

  • A medley of fresh vegetables packed with nutrients
  • Rich, cheesy topping that brings everything together
  • Perfect for meal prep or a cozy family dinner

Building Flavor with Vegetables

The choice of vegetables in this casserole is crucial for both flavor and nutrition. Broccoli adds a lovely crunch, while zucchini contributes a soft texture that melds beautifully with the creamy sauce. When sautéing the vegetables, ensure you don't overcook them; they should be tender but still vibrant, retaining their color and nutritional value. Aim for a bright green hue in the broccoli and a slight char on the zucchini to enhance the overall depth of flavor.

An important thing to remember is the balance of moisture from your veggies. If they’re too watery, the casserole can become soggy. To mitigate this, always pat dry your vegetables after washing them. When preparing your bell peppers and carrots, cutting them into similar sizes helps ensure even cooking, so aim for about half-inch pieces.

Cheese Selection and Technique

Choosing the right cheese can elevate your casserole from good to unforgettable. I often use a blend of cheddar and mozzarella for the perfect harmony of sharpness and stretchiness. Cheddar offers a robust flavor, while mozzarella adds creaminess and a gooey texture when melted. If you want to experiment, consider adding a sprinkle of Parmesan on top for a flavorful crunch after baking.

When mixing the heavy cream and cheese, make sure to work quickly to ensure the cheese doesn’t clump together. Whisk vigorously until the mixture is smooth and glossy. If you find your cream is too thick, add a splash of milk or broth to thin it out slightly – this helps the cheese meld seamlessly over the vegetables.

Storage and Serving Suggestions

This casserole is an ideal candidate for meal prepping. You can prepare it a day in advance, covering it tightly with foil and storing it in the fridge. When you're ready to bake, just allow it to come to room temperature for about 30 minutes to ensure even cooking. If you have leftovers, they can be stored in an airtight container for up to three days, and reheat beautifully in the oven or microwave, although I prefer the oven to regain that crispy topping.

Serving this baked vegetable casserole can be done in various ways. It pairs wonderfully with a light salad or crusty bread to soak up the creamy goodness. You can also turn it into a full meal by adding some grilled chicken or ground turkey before baking, making it a well-rounded dish. Feel free to experiment with the toppings, adding spices or herbs like fresh basil for an extra burst of freshness.

Ingredients

Gather the following ingredients for a delicious baked vegetable casserole.

Ingredients

  • 2 cups chopped broccoli
  • 2 cups chopped zucchini
  • 1 cup diced bell pepper
  • 1 cup chopped carrots
  • 1 medium onion, diced
  • 3 cloves garlic, minced
  • 4 cups shredded cheese (cheddar, mozzarella, or a blend)
  • 2 cups heavy cream
  • 2 tablespoons olive oil
  • Salt and pepper to taste
  • 1 teaspoon dried oregano
  • 1 teaspoon dried thyme
  • 1/2 teaspoon red pepper flakes (optional)
  • 1 cup breadcrumbs (for topping)

Once you have all the ingredients, you're ready to start crafting this delicious casserole!

Instructions

Follow these steps to create a mouthwatering baked vegetable casserole.

Prepare the Vegetables

In a large skillet, heat olive oil over medium heat. Add the onion and garlic, sautéing until translucent. Stir in the broccoli, zucchini, bell pepper, and carrots.

Season with salt, pepper, oregano, thyme, and red pepper flakes. Cook for about 5-7 minutes until the vegetables are slightly tender.

Mix the Cheese and Cream

In a bowl, combine the heavy cream with two cups of shredded cheese, mixing everything until well blended. You can reserve some cheese for topping the casserole.

Assemble the Casserole

In a greased baking dish, layer the cooked vegetables evenly. Pour the cheese and cream mixture over the vegetables. Top with breadcrumbs and any remaining cheese.

Bake

Preheat your oven to 350°F (175°C). Bake the casserole for about 30-35 minutes until it's bubbly and golden brown on top.

Serve

Let the casserole cool slightly before serving. Enjoy it warm as a main dish or a side!

Now that your casserole is baked to perfection, it’s time to dig in!

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Pro Tips

  • For a twist, try adding cooked chicken or sausage for added protein. You can also experiment with different herbs and spices for a unique flavor profile.

How to Scale the Recipe

If you're looking to feed a crowd, scaling this casserole is straightforward. For a larger group, you can easily double the recipe. Just ensure you use a larger baking dish, such as a 9x13 inch pan, and extend the baking time by about 10-15 minutes. Keep an eye on it to ensure the top doesn’t over-brown while the inside cooks evenly.

Additionally, consider varying the layers. Incorporating seasonal vegetables can add interest and charm to the dish when entertaining. For instance, sweet potatoes or butternut squash could substitute some of the zucchini or carrots for a seasonal twist without compromising the creamy texture.

Troubleshooting Common Issues

One common issue with vegetable casseroles is excess liquid, which often makes the dish soggy. If you encounter this problem, consider pre-cooking your vegetables a bit longer to release moisture or leaving them a bit less covered with cheese to allow evaporation during baking.

Another potential challenge is uneven cooking if your veggie pieces are not uniform. Aim for a consistent size and remember to stir well when layering; this helps distribute the flavors evenly throughout the casserole. Lastly, if the top of your casserole browns too quickly, simply cover it loosely with foil during the last stages of baking.

Questions About Recipes

→ Can I make this casserole ahead of time?

Yes! You can prepare the casserole a day in advance and store it in the fridge. Just bake it right before serving.

→ What vegetables can I use in this casserole?

Feel free to use your favorites! Spinach, asparagus, or cauliflower are great options as well.

→ Can I freeze leftovers?

Absolutely! Just make sure to cool the casserole completely, then store it in an airtight container for up to three months.

→ Is it possible to make this dairy-free?

Yes! Substitute the heavy cream with coconut cream and use dairy-free cheese for a delicious dairy-free version.

Sunday Baked Vegetable Casserole

I love whipping up this Sunday Baked Vegetable Casserole as a comforting way to celebrate the weekend. The layers of fresh veggies and bubbling cheese create a delightful aroma that fills my kitchen. It’s the perfect dish to share with family or friends, and you can easily customize it with your favorite vegetables. I appreciate that it’s not only delicious but also a healthy option packed with nutrients. This casserole has become a beloved tradition in my home, and I’m excited to share it with you!

Prep Time20 minutes
Cooking Duration45 minutes
Overall Time65 minutes

Created by: Freya Cooper

Recipe Type: Baking & Desserts

Skill Level: Intermediate

Final Quantity: 6 servings

What You'll Need

Ingredients

  1. 2 cups chopped broccoli
  2. 2 cups chopped zucchini
  3. 1 cup diced bell pepper
  4. 1 cup chopped carrots
  5. 1 medium onion, diced
  6. 3 cloves garlic, minced
  7. 4 cups shredded cheese (cheddar, mozzarella, or a blend)
  8. 2 cups heavy cream
  9. 2 tablespoons olive oil
  10. Salt and pepper to taste
  11. 1 teaspoon dried oregano
  12. 1 teaspoon dried thyme
  13. 1/2 teaspoon red pepper flakes (optional)
  14. 1 cup breadcrumbs (for topping)

How-To Steps

Step 01

In a large skillet, heat olive oil over medium heat. Add the onion and garlic, sautéing until translucent. Stir in the broccoli, zucchini, bell pepper, and carrots. Season with salt, pepper, oregano, thyme, and red pepper flakes. Cook for about 5-7 minutes until the vegetables are slightly tender.

Step 02

In a bowl, combine the heavy cream with two cups of shredded cheese, mixing everything until well blended. You can reserve some cheese for topping the casserole.

Step 03

In a greased baking dish, layer the cooked vegetables evenly. Pour the cheese and cream mixture over the vegetables. Top with breadcrumbs and any remaining cheese.

Step 04

Preheat your oven to 350°F (175°C). Bake the casserole for about 30-35 minutes until it's bubbly and golden brown on top.

Step 05

Let the casserole cool slightly before serving. Enjoy it warm as a main dish or a side!

Extra Tips

  1. For a twist, try adding cooked chicken or sausage for added protein. You can also experiment with different herbs and spices for a unique flavor profile.

Nutritional Breakdown (Per Serving)

  • Calories: 250 kcal
  • Total Fat: 18g
  • Saturated Fat: 10g
  • Cholesterol: 55mg
  • Sodium: 300mg
  • Total Carbohydrates: 15g
  • Dietary Fiber: 3g
  • Sugars: 4g
  • Protein: 10g