Sunday Baked Vegetable Casserole

Name: Sunday Baked Vegetable Casserole
Prep time: 20 min
Cook time: 45 min
Total time: 1 h 5 min
Yield: 6 servings
Ingredients: 2 cups chopped broccoli; 1 cup diced bell peppers; 1 cup sliced zucchini; 1 cup spinach leaves; 1 cup ricotta cheese; 1 cup shredded mozzarella cheese; 1/2 cup grated Parmesan cheese; 1 cup breadcrumbs; 2 tablespoons olive oil; 1 teaspoon garlic powder; Salt and pepper to taste

Highlighted under: Comfort Food

When Sunday rolls around, I love to treat my family to a hearty meal that’s packed with flavor and nutrition. This Baked Vegetable Casserole has become a staple in our home, combining fresh vegetables with a creamy sauce and a crunchy topping. It’s not just about the taste; I appreciate how easy it is to whip up. Plus, it’s a wonderful way to use up any odds and ends from the fridge. Trust me, this dish will make your Sunday family meal unforgettable!

Created by

Ottilie James

Last updated on 2026-01-13T22:55:12.079Z

As I experimented with this casserole, I discovered that roasting the vegetables beforehand enhances their natural sweetness, making each bite a delightful contrast of textures. I typically use bell peppers, zucchini, and spinach, but feel free to swap in any seasonal veggies you have on hand.

What makes this dish stand out is the topping! A mixture of breadcrumbs and parmesan cheese provides that satisfying crunch, elevating the entire experience. My family always fights over the last piece, which is a testament to how comforting this casserole truly is.

        Why You'll Love This Recipe
        A colorful array of fresh vegetables that brighten up your plate
Creamy and cheesy base with a satisfying crunchy topping
Perfectly customizable to suit your taste or pantry ingredients

      

Understanding the Ingredients

This Baked Vegetable Casserole shines thanks to a vibrant mix of broccoli, bell peppers, zucchini, and spinach. Each vegetable contributes not only to the color but also a range of textures and flavors. Broccoli brings a bit of crunch and a subtle earthiness, while bell peppers offer sweetness and a pop of color. Zucchini adds a tender, juicy bite, and spinach lends a delicate, slightly bitter note that balances the creaminess of the cheeses.

The cheeses in this dish serve crucial roles in creating that creamy texture. Ricotta brings a rich, slightly grainy mouthfeel, while mozzarella melts beautifully for that gooey stretch we all love. Parmesan finishes the dish with a salty, nutty flavor note, enhancing the overall profile. Be sure to use freshly grated Parmesan, as it melts more evenly and contributes to the casserole's flavor complexity.

Techniques for Success

Roasting the vegetables is a key step in developing their flavors and achieving the right texture in your casserole. By roasting at 375°F (190°C) for about 20 minutes, you not only soften the vegetables but also concentrate their natural sweetness. Make sure to stir them halfway through cooking to prevent uneven browning. If you're in a hurry or prefer more char, you can increase the temperature to 400°F (200°C) for the last 5 minutes, watching closely to avoid burning.

Layering your casserole properly will ensure that each serving has a balanced mix of vegetables and cheese. Start with a layer of roasted veggies, then spread a generous layer of the cheese mixture over them, repeating until you reach the top. For best results, leave the top layer light; the breadcrumbs will add a satisfying crunch. This method ensures an ideal contrast in textures throughout each bite.

Ingredients

Gather the following ingredients to create this delicious casserole:

Ingredients

2 cups chopped broccoli
1 cup diced bell peppers
1 cup sliced zucchini
1 cup spinach leaves
1 cup ricotta cheese
1 cup shredded mozzarella cheese
1/2 cup grated Parmesan cheese
1 cup breadcrumbs
2 tablespoons olive oil
1 teaspoon garlic powder
Salt and pepper to taste

Make sure to prep your vegetables ahead and get everything ready for assembly!

Instructions

Follow these simple steps to create your baked vegetable casserole:

Preheat the Oven

Preheat your oven to 375°F (190°C).

Prepare the Vegetables

In a large bowl, toss the broccoli, bell peppers, zucchini, and spinach with olive oil, garlic powder, salt, and pepper.

Roast the Vegetables

Spread the prepared vegetables onto a baking sheet and roast for 20 minutes, stirring halfway through to ensure even cooking.

Mix the Cheese

In another bowl, combine ricotta, mozzarella, and half of the Parmesan cheese until well blended.

Layer the Casserole

In a greased baking dish, layer the roasted vegetables followed by the cheese mixture. Repeat layers, finishing with the remaining mozzarella and Parmesan on top.

Add Breadcrumbs

Sprinkle breadcrumbs evenly over the top for added crunch.

Bake

Bake in the preheated oven for 25 minutes or until the top is golden and bubbly.

Allow the casserole to cool for a few minutes before serving.

Pro Tips

Feel free to experiment with different vegetables or add cooked grains like quinoa for extra heartiness.

Serving Suggestions

This casserole is a versatile centerpiece that pairs beautifully with a side salad or crusty bread. To elevate your meal, drizzle a bit of balsamic glaze over the finished casserole for a burst of acidity that cuts through the creaminess. You could also serve it alongside grilled chicken or fish for added protein, making it a complete family meal.

For a special touch, I sometimes add a sprinkle of fresh herbs like basil or parsley before serving. Not only do they add a pop of color, but they also enhance the dish's freshness. Freezing leftover portions is also an option; just allow them to cool completely before transferring to an airtight container. It will keep well in the freezer for up to three months.

Variations and Customization

Feel free to switch up the vegetables based on what's in season or what you have on hand. Carrots, cauliflower, or even asparagus work wonderfully in this recipe. You can also swap the cheeses according to your preference; for example, substituting goat cheese for ricotta will add a tangy flavor that complements the vegetables nicely.

To make this casserole vegan, substitute ricotta with a cashew-based alternative and mozzarella with a plant-based cheese. You can also use nutritional yeast in place of Parmesan for a cheesy flavor without dairy. Just make sure to adjust the breadcrumb topping to a vegan-friendly option for a complete dish that everyone can enjoy.

Questions About Recipes

→ Can I prepare this casserole in advance?

Yes, you can prep it a day ahead. Just cover it tightly and refrigerate until ready to bake.

→ Is it possible to make it vegan?

Absolutely! Substitute ricotta and mozzarella with plant-based alternatives and use vegan breadcrumbs.

→ Can I freeze leftovers?

Yes, this casserole freezes well. Just make sure to cool it completely before transferring to an airtight container.

→ What can I serve with this casserole?

It's great on its own, but pairs well with a light salad or grilled proteins.