Sunday Baked Vegetable Casserole

Name: Sunday Baked Vegetable Casserole
Prep time: 30 min
Cook time: 45 min
Total time: 1 h 15 min
Yield: 8 servings
Ingredients: 2 cups broccoli florets; 2 cups chopped carrots; 2 cups diced bell peppers; 1 cup sliced zucchini; 2 cups shredded mozzarella cheese; 1 cup ricotta cheese; 3 eggs; 1/2 cup milk; 2 cloves garlic, minced; 1 cup breadcrumbs; 2 tablespoons olive oil; 1 teaspoon dried oregano; Salt and pepper to taste

Highlighted under: Baking & Desserts

I love the concept of a cozy Sunday dinner, and nothing captures that spirit quite like a hearty baked vegetable casserole. This dish is an explosion of colors and flavors, featuring layers of fresh vegetables, creamy cheese, and a crispy topping that brings everything together. As I slice into it, the aroma fills my kitchen, creating an atmosphere of warmth and comfort that makes my heart feel full. It's the perfect dish for sharing with family and friends, and I eagerly look forward to leftovers for lunch on Monday!

Created by

Lucy Bennett

Last updated on 2026-01-13T18:01:16.835Z

Every Sunday, my family gathers around the table, and I like to prepare dishes that uplift our spirits. When I first made this baked vegetable casserole, I used whatever veggies I had on hand, and it turned out to be a lovely mix! The key is to use fresh, seasonal vegetables for the best flavor. I discovered that combining roasted garlic with the cheese really elevates the dish, giving it a savory depth that keeps everyone coming back for more.

One of my secrets is the crispy topping made from breadcrumbs mixed with herbs and a bit of olive oil, which adds a perfect crunch. I often think about how simple it is to customize this casserole; you can switch out the vegetables based on what you enjoy or have in your fridge. Serve it with a side salad, and you have a complete meal that everyone will love!

        Why You'll Love This Recipe
        A delightful medley of seasonal vegetables bursting with flavor
Crispy topping that adds texture and crunch
Easy to customize with your favorite veggies

      

Understanding Vegetable Choices

The choice of vegetables in this casserole plays a crucial role in both flavor and texture. Broccoli florets add a satisfying crunch, while diced bell peppers bring a sweet, juicy element. Carrots contribute natural sweetness and vibrant color, making the dish visually appealing. For a twist, consider seasonal substitutes such as asparagus in the spring or squash in the fall. Just make sure any substitute complements the overall flavor profile and texture of the casserole, ensuring a delightful bite every time.

Additionally, opting for fresh, seasonal vegetables can enhance the taste and nutritional value of your casserole. If you're short on time, frozen vegetables can also work well; just be sure to thaw and drain them thoroughly to avoid excess moisture. A common mistake here is to add too much moisture, which can lead to a soggy casserole. Take care to balance the moisture from your vegetables with the creamy cheeses.

Perfecting the Casserole Mixture

The mixture of cheeses and eggs in the casserole serves to bind the vegetables together while also adding a creamy richness. Ricotta cheese brings a mild flavor and fluffy texture, while mozzarella adds stretch and melty goodness. Ensure that your cheeses are at room temperature before mixing; this helps achieve a smoother consistency and prevents clumping, allowing each bite to be perfectly creamy.

When folding in the vegetable mixture, be gentle to avoid breaking the delicate broccoli and zucchini pieces. Aim for a well-integrated mixture without over-mixing, which can lead to a dense result. I recommend using a large spatula to carefully lift and combine the ingredients, ensuring the visible colors of the vegetables remain vibrant and distinct throughout the casserole.

Serving and Storing Leftovers

After allowing the casserole to rest for about 10 minutes post-baking, you can serve it directly from the dish, either warm or at room temperature. For an appealing presentation, consider garnishing with fresh herbs like parsley or basil, which can brighten the dish and offer a burst of flavor. Pair it with a simple green salad or crusty bread to create a complete meal that invites everyone to gather at the table.

If you happen to have leftovers, store them in an airtight container in the refrigerator. This dish can last for 3-4 days, making it perfect for meal prep. You can also freeze portions for up to 3 months. To reheat, simply pop it in a 350°F (175°C) oven until warmed through, approximately 20-30 minutes, covering with foil to prevent drying out. This way, you can savor the comfort of this baked vegetable casserole even after Sunday is over!

Ingredients

Vegetables

2 cups broccoli florets
2 cups chopped carrots
2 cups diced bell peppers
1 cup sliced zucchini

Casserole Mixture

2 cups shredded mozzarella cheese
1 cup ricotta cheese
3 eggs
1/2 cup milk
2 cloves garlic, minced

Topping

1 cup breadcrumbs
2 tablespoons olive oil
1 teaspoon dried oregano
Salt and pepper to taste

Preparation Method

Instructions

Directions

Prepare the Vegetables

Preheat your oven to 375°F (190°C). In a large bowl, combine broccoli, carrots, bell peppers, and zucchini. Add minced garlic, salt, and pepper. Mix well and set aside.

Make the Casserole Mixture

In another bowl, whisk together mozzarella, ricotta, eggs, and milk until smooth. Fold in the prepared vegetables until well combined.

Prepare the Topping

In a small bowl, mix breadcrumbs with olive oil, oregano, salt, and pepper until the breadcrumbs are evenly coated.

Assemble and Bake

Transfer the vegetable mixture to a greased casserole dish. Sprinkle the breadcrumb topping evenly over the top. Bake in the preheated oven for 45 minutes or until golden brown and bubbly.

Let It Rest

Remove from the oven and let the casserole rest for about 10 minutes before serving. Enjoy!

Serving Suggestions

Pro Tips

Feel free to experiment with different types of cheese or add protein, like cooked chicken or beans, for a heartier meal.

Creative Variations

Feel free to get creative with your baked vegetable casserole! Adding spices such as paprika or cumin can enhance the flavor profile significantly. For a bit of heat, consider incorporating jalapeños or red pepper flakes into the veggie mix. You could even swap out mozzarella for a sharper cheese like cheddar or gouda for a more robust flavor. These enhancements will keep the dish exciting and tailored to your taste preferences.

Another idea is to layer the casserole differently. Instead of mixing everything together, try creating distinct layers of vegetables, cheeses, and topping. This approach not only adds a visual appeal but allows each ingredient to shine on its own.

Troubleshooting Common Issues

If your casserole comes out a bit dry, it might be due to over-baking or using too few moist ingredients. Be sure to check the internal temperature; it should be hot and bubbly around the edges. If it’s clear that your mixture lacks moisture, consider adding a splash more milk or a dollop of sour cream during mixing next time to achieve that creamy texture.

Conversely, if your casserole turns out too watery, ensure you’re properly draining any frozen vegetables and not overloading with high-water-content veggies like tomatoes. A thickening agent like a little cornstarch or flour in the cheese mixture can absorb excess moisture. With these tips, you can avoid common pitfalls and serve a perfectly balanced dish every time.

Questions About Recipes

→ Can I use frozen vegetables?

Yes, frozen vegetables work well in this recipe. Just make sure to thaw and drain any excess water.

→ How long can I store leftovers?

Leftovers can be stored in an airtight container in the refrigerator for up to 3 days.

→ Can I make this casserole ahead of time?

Absolutely! You can prepare the casserole in advance and bake it just before serving.

→ Is there a vegetarian alternative for the cheese?

Yes! There are many plant-based cheese alternatives available, which can be substituted for a vegan version.