Sunday Baked Vegetable Lasagna

Highlighted under: Baking & Desserts

I love making this Sunday Baked Vegetable Lasagna as a way to gather everyone for a comforting meal. The combination of roasted vegetables layered between sheets of tender pasta and creamy cheese is simply irresistible. On lazy weekends, this dish warms the heart and the home, making it a perfect centerpiece. It’s also a great way to sneak in those healthful veggies the family might otherwise overlook. Let's indulge in this delicious baked goodness together!

Lila Morgan

Created by

Lila Morgan

Last updated on 2026-01-13T02:25:11.952Z

When I first attempted this recipe, I was on the hunt for something hearty yet vegetarian-friendly. I decided to roast a variety of seasonal vegetables to really bring out their natural sweetness. The secret was to layer them with bechamel and marinara sauce, which adds depth and richness to the dish. I learned that a little patience pays off when waiting for the lasagna to rest before slicing—it helps everything meld together beautifully.

Over the years, I’ve tweaked the recipe, experimenting with different vegetables like zucchini and spinach. Each time, I discover new flavor combinations that elevate the lasagna to another level. I also recommend using a mix of cheeses for a delightful texture that’s creamy yet slightly tangy. This dish is a true labor of love!

Why You'll Love This Recipe

  • Hearty layers of fresh vegetables bursting with flavor
  • Creamy béchamel sauce adding richness and depth
  • Perfect for gatherings, satisfying for all dietary preferences

Ingredient Insights

The choice of vegetables in this lasagna is crucial for both flavor and nutrition. Zucchini adds a mild sweetness and pleasant moisture, while mushrooms contribute umami depth. Roasting bell peppers before adding them enhances their sweetness and caramelization, which balances the savory béchamel. If you want to diversify, consider seasonal vegetables like eggplant or summer squash for added texture and taste. Just be sure to slice them thinly to maintain even cooking and layering.

Using a combination of cheeses elevates the flavor profile. Ricotta provides a creamy, slightly grainy texture that pairs beautifully with the melty mozzarella. If you're looking for a lighter option, you can substitute part-skim ricotta or cottage cheese for a similar consistency with fewer calories. Additionally, adding a sprinkle of nutritional yeast can give that cheesy richness while being dairy-free.

Perfecting the Béchamel Sauce

The béchamel sauce is a pivotal element in this lasagna, providing a rich, creamy layer that complements the roasted vegetables beautifully. To avoid lumps, ensure you whisk the flour into the melted butter completely before adding the milk. Gradually incorporating the milk while consistently stirring is key; this technique helps achieve a smooth, glossy sauce that won't curdle.

If you prefer a bit of a twist, adding a touch of nutmeg to the béchamel can elevate the flavor, giving a subtle warmth. Alternatively, for a plant-based option, swap in almond or oat milk and use vegan butter to create a dairy-free version of this classic sauce without sacrificing richness.

Serving and Storage Tips

Allowing the lasagna to rest for around 10 minutes before slicing is essential; this waiting period helps the layers set, making it easier to serve without falling apart. Serve it warm, paired with a simple green salad and garlic bread for a cozy meal that balances richness. You can also sprinkle some fresh basil on top for a pop of freshness and color.

Storing leftovers is straightforward; let the lasagna cool completely and cover it with foil or transfer it to an airtight container. It can be refrigerated for up to four days. If you prefer freezing, cut the lasagna into portions, wrap tightly in plastic wrap, and store in a freezer-safe container for up to three months. Reheating can be done in the oven at 350°F (175°C) for about 25–30 minutes until heated through.

Ingredients

Gather these ingredients to start your lasagna adventure:

Lasagna Ingredients

  • 9 lasagna noodles
  • 2 cups chopped spinach
  • 1 cup chopped zucchini
  • 1 cup roasted red bell peppers, sliced
  • 1 cup mushrooms, sliced
  • 1 cup ricotta cheese
  • 2 cups shredded mozzarella cheese
  • 1 cup grated Parmesan cheese
  • 2 cups marinara sauce
  • 1/4 cup all-purpose flour
  • 2 cups milk
  • 2 tablespoons olive oil
  • 1 teaspoon Italian seasoning
  • Salt and pepper to taste

Once you have everything ready, it's time to build your lasagna!

Instructions

Follow these steps for a perfect Sunday Baked Vegetable Lasagna:

Prepare the Oven and Noodles

Preheat your oven to 375°F (190°C). Cook the lasagna noodles according to package instructions, then drain and set aside.

Sauté the Vegetables

In a large pan, heat olive oil over medium heat. Add mushrooms, zucchini, and spinach, cooking until they are softened. Season with Italian seasoning, salt, and pepper.

Make the Bechamel Sauce

In a saucepan, melt butter and whisk in the flour until smooth. Gradually add milk, stirring constantly until the sauce thickens. Season with salt and pepper.

Layer the Lasagna

In a baking dish, spread a thin layer of marinara sauce. Layer noodles, sautéed vegetables, ricotta, mozzarella, and béchamel. Repeat until ingredients are used up, finishing with béchamel and Parmesan on top.

Bake the Lasagna

Cover the dish with foil and bake for 30 minutes. Remove foil and bake for an additional 15 minutes, or until golden and bubbly.

Rest and Serve

Allow the lasagna to rest for 10 minutes before slicing. Serve warm and enjoy!

Don’t forget to pair this dish with a fresh salad and some crusty bread!

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Pro Tips

  • For a richer flavor, try adding some fresh herbs like basil or parsley between layers. Also, feel free to switch up the vegetables according to what you have on hand or in season.

Vegetable Variations

One of the great things about this lasagna is its versatility in vegetables. If you have leftover cauliflower or broccoli, these can be terrific additions. Simply steam them before layering to soften. For a spicier kick, consider adding sliced jalapeños or some chopped fresh herbs like thyme or rosemary for added aroma. Just remember to adjust the seasoning accordingly to balance the flavors!

Feel free to modify the amount of vegetables to your taste. If you’re a fan of greens, you could easily increase the spinach or even include layers of kale. For a more substantial dish, add lentils or chickpeas for protein without adding meat. Just ensure they are cooked beforehand so the added moisture doesn’t disrupt the layering process.

Scaling the Recipe

This lasagna recipe is easy to scale up or down based on your needs. For larger gatherings, simply double the ingredients and use a larger roasting dish, but be mindful that the baking time might need an extra 10–15 minutes to ensure it cooks thoroughly. If making a smaller batch, you can try adapting the ingredients proportionally, though keep in mind that some pasta brands may not cook as evenly if you use fewer noodles.

If you decide to reduce the portions, you might also consider making mini lasagnas using muffin tins or individual ramekins. This way, you’ll achieve perfectly baked individual servings that are perfect for friends or a potluck. Just monitor the baking time as smaller quantities may cook faster.

Questions About Recipes

→ Can I make this lasagna ahead of time?

Absolutely! You can prepare the lasagna a day in advance, cover it, and store it in the fridge. Just remember to bake it longer if it's cold from the fridge.

→ Can I freeze the lasagna?

Yes! You can freeze the assembled lasagna before baking. Just wrap it tightly in plastic wrap and aluminum foil. Bake from frozen, adding extra time.

→ What kind of cheese can I use?

Feel free to mix different cheeses! Ricotta, mozzarella, and Parmesan are classic, but try adding some goat cheese or feta for a unique twist.

→ Is there a gluten-free option for this lasagna?

Definitely! Just replace the lasagna noodles with gluten-free versions, and ensure your marinara sauce is gluten-free as well.

Sunday Baked Vegetable Lasagna

I love making this Sunday Baked Vegetable Lasagna as a way to gather everyone for a comforting meal. The combination of roasted vegetables layered between sheets of tender pasta and creamy cheese is simply irresistible. On lazy weekends, this dish warms the heart and the home, making it a perfect centerpiece. It’s also a great way to sneak in those healthful veggies the family might otherwise overlook. Let's indulge in this delicious baked goodness together!

Prep Time30 minutes
Cooking Duration45 minutes
Overall Time1 hour 15 minutes

Created by: Lila Morgan

Recipe Type: Baking & Desserts

Skill Level: Intermediate

Final Quantity: 8 servings

What You'll Need

Lasagna Ingredients

  1. 9 lasagna noodles
  2. 2 cups chopped spinach
  3. 1 cup chopped zucchini
  4. 1 cup roasted red bell peppers, sliced
  5. 1 cup mushrooms, sliced
  6. 1 cup ricotta cheese
  7. 2 cups shredded mozzarella cheese
  8. 1 cup grated Parmesan cheese
  9. 2 cups marinara sauce
  10. 1/4 cup all-purpose flour
  11. 2 cups milk
  12. 2 tablespoons olive oil
  13. 1 teaspoon Italian seasoning
  14. Salt and pepper to taste

How-To Steps

Step 01

Preheat your oven to 375°F (190°C). Cook the lasagna noodles according to package instructions, then drain and set aside.

Step 02

In a large pan, heat olive oil over medium heat. Add mushrooms, zucchini, and spinach, cooking until they are softened. Season with Italian seasoning, salt, and pepper.

Step 03

In a saucepan, melt butter and whisk in the flour until smooth. Gradually add milk, stirring constantly until the sauce thickens. Season with salt and pepper.

Step 04

In a baking dish, spread a thin layer of marinara sauce. Layer noodles, sautéed vegetables, ricotta, mozzarella, and béchamel. Repeat until ingredients are used up, finishing with béchamel and Parmesan on top.

Step 05

Cover the dish with foil and bake for 30 minutes. Remove foil and bake for an additional 15 minutes, or until golden and bubbly.

Step 06

Allow the lasagna to rest for 10 minutes before slicing. Serve warm and enjoy!

Extra Tips

  1. For a richer flavor, try adding some fresh herbs like basil or parsley between layers. Also, feel free to switch up the vegetables according to what you have on hand or in season.

Nutritional Breakdown (Per Serving)

  • Calories: 320 kcal
  • Total Fat: 15g
  • Saturated Fat: 8g
  • Cholesterol: 30mg
  • Sodium: 440mg
  • Total Carbohydrates: 35g
  • Dietary Fiber: 4g
  • Sugars: 6g
  • Protein: 14g