Sunday Baked Vegetable Casserole

Name: Sunday Baked Vegetable Casserole
Prep time: 20 min
Cook time: 45 min
Total time: 1 h 5 min
Yield: 8 servings
Ingredients: 2 cups zucchini, sliced; 1 cup bell peppers, chopped; 2 cups spinach, fresh; 1 cup cherry tomatoes, halved; 1 cup ricotta cheese; 1 cup shredded mozzarella cheese; 1/2 cup grated parmesan cheese; 1 teaspoon Italian seasoning; Salt and pepper to taste

Highlighted under: Comfort Food

I absolutely love making my Sunday Baked Vegetable Casserole as a way to gather my family around the table at the end of the week. This dish is a delightful combination of fresh vegetables and cheesy goodness that never fails to impress. As we dig in, the vibrant colors and rich flavors remind us of the joy of cooking and sharing meals together. It's an easy, comforting recipe, perfect for using up leftovers and ensuring everyone gets their daily veggies in a delicious way.

Created by

Lila Morgan

Last updated on 2026-01-13T19:16:19.017Z

When I first created this Sunday Baked Vegetable Casserole, I wanted to make something that combined my love for seasonal produce with the warmth of a comforting meal. I experimented with various combinations of vegetables and found that roasting beforehand brings out their natural sweetness, making this casserole utterly addictive. The layers of flavors created by herbs and spices truly elevate this dish.

One of the best tips I can share is not to overload the casserole with too many different types of vegetables. Instead, focus on a few key ingredients like zucchini, bell peppers, and spinach to allow their flavors to shine through. Baking it slowly allows for that perfect melt of cheese on top, creating a delightful crispy layer. Trust me, this casserole will become a family favorite!

        Why You'll Love This Recipe
        Loaded with healthy vegetables and savory flavor
Cheesy goodness that everyone will enjoy
Perfect make-ahead option for busy weeks

      

Preparation Tips for the Best Results

For optimal texture, ensure that your vegetables are fresh and properly cut. Slice the zucchini into thin, even pieces to allow for even cooking. When combining the vegetables, make sure to season them thoroughly; this will enhance their natural flavors and create a more cohesive dish. I recommend letting them marinate with the salt, pepper, and Italian seasoning for about 15 minutes before layering them into the casserole. This little extra step can elevate the taste significantly.

Choosing high-quality cheeses is key to achieving that creamy, satisfying texture throughout the casserole. I like using fresh ricotta, which adds a luscious mouthfeel and a mild flavor that complements the veggies well. If you’re looking for a lactose-free option, try substituting the ricotta with a dairy-free version made from cashews or almonds, which still yield a creamy result while accommodating dietary restrictions.

Customizing Your Casserole

Feel free to get creative with the vegetables in this recipe! If you have seasonal produce on hand, such as asparagus, broccoli, or eggplant, these can be excellent substitutes or additions. Just remember to adjust the cooking time slightly for denser vegetables; they may need a few extra minutes in the oven to ensure they are tender. I also like to add a handful of cooked quinoa or lentils for a protein boost without compromising the dish’s overall flavor.

For an added kick, consider incorporating some spices into the cheese mixture or layering in some fresh basil or parsley right before serving. A sprinkle of red pepper flakes on top before baking can also elevate the flavor profile, offering a delightful contrast to the creaminess of the cheeses. If you enjoy a bit of crunch, consider topping the casserole with breadcrumbs mixed with a little olive oil before the final baking phase; this will give you a crispy, golden layer.

Ingredients

Gather the following ingredients to create this delicious casserole:

Vegetables and Cheese

2 cups zucchini, sliced
1 cup bell peppers, chopped
2 cups spinach, fresh
1 cup cherry tomatoes, halved
1 cup ricotta cheese
1 cup shredded mozzarella cheese
1/2 cup grated parmesan cheese
1 teaspoon Italian seasoning
Salt and pepper to taste

Ensure all ingredients are fresh for the best flavor!

Instructions

Follow these simple steps to make your casserole:

Preheat the oven

Preheat your oven to 375°F (190°C).

Prepare the vegetables

In a large bowl, combine the zucchini, bell peppers, spinach, and cherry tomatoes. Season with salt, pepper, and Italian seasoning.

Make the cheese mixture

In another bowl, mix together the ricotta cheese, half of the mozzarella, and all of the parmesan cheese until well combined.

Layer the casserole

In a baking dish, layer half of the vegetable mixture, followed by the cheese mixture. Add the remaining vegetables on top and sprinkle with the rest of the mozzarella.

Bake

Cover the dish with aluminum foil and bake for 30 minutes. Remove the foil and bake for an additional 15 minutes until the cheese is golden and bubbly.

Let the casserole cool for a few minutes before serving.

Pro Tips

For extra crunch, consider topping with panko breadcrumbs just before the final bake. This adds a delightful texture contrast to the creamy vegetables.

Storage and Reheating

This casserole is perfect for meal prep, as it stores well in the refrigerator for up to three days. Just make sure to let it cool completely before covering it tightly with aluminum foil or plastic wrap. For longer storage, you can freeze it for up to two months. If freezing, I suggest underbaking it slightly, then completing the baking process after thawing to maintain optimal texture and flavor.

When reheating leftovers, preheat your oven to 350°F (175°C) and cover the casserole with aluminum foil to prevent the cheese from over-browning. Heat for about 20-30 minutes, or until heated through. You can also use the microwave for quick reheating, but I recommend using a microwave-safe dish and covering it to retain moisture. Start with 1-2 minutes at a time, checking to avoid overcooking.

Serving Suggestions

This baked vegetable casserole pairs wonderfully with a simple side salad or some crusty bread for a more filling meal. Adding a light vinaigrette to the salad can balance out the richness of the casserole. For a heartier experience, serve it alongside grilled chicken or a side of marinated tofu to complement the flavors.

If you want to make this dish an even more festive centerpiece, try garnishing it with fresh herbs immediately after it comes out of the oven. A sprinkle of chopped parsley or basil adds a refreshing contrast and brightens the overall presentation. You could also serve it in stylish individual ramekins for a charming touch at family gatherings or dinner parties.

Questions About Recipes

→ Can I use frozen vegetables instead?

Yes, but make sure to thaw and drain excess moisture before adding them to the casserole.

→ Is this recipe gluten-free?

Yes, all the ingredients are naturally gluten-free, making it suitable for gluten-sensitive individuals.

→ Can I prepare this casserole in advance?

Absolutely! You can assemble it the night before and bake it when you're ready.

→ What can I serve with this casserole?

It pairs wonderfully with a green salad or crusty bread for a complete meal.