Sunday Baked Vegetable Lasagna

Name: Sunday Baked Vegetable Lasagna
Prep time: 20 min
Cook time: 1 h
Total time: 1 h 20 min
Yield: 8 servings
Ingredients: 2 cups zucchini, sliced; 1 cup bell peppers, chopped; 1 cup mushrooms, sliced; 1 medium onion, diced; 2 cups fresh spinach; 2 cups marinara sauce; 1 cup ricotta cheese; 2 cups shredded mozzarella cheese; 1 cup grated Parmesan cheese; 12 lasagna noodles, cooked and drained; 2 cloves garlic, minced; 1 teaspoon dried oregano; 1 teaspoon dried basil; Salt and pepper to taste; Fresh basil for garnish

Highlighted under: Oven Ideas

I absolutely love making this Sunday Baked Vegetable Lasagna when I want something hearty yet healthy. It’s a wonderful blend of layers filled with roasted vegetables, creamy ricotta, and gooey mozzarella, all embraced by rich marinara sauce. This dish has become a staple in our home, perfect for gathering family around the table. The melty cheeses and fresh herbs create a comforting meal that everyone enjoys, and it smells heavenly while baking! It’s truly a celebration of flavors that makes Sundays special.

Created by

Una Merrick

Last updated on 2026-01-05T23:05:35.226Z

When I first decided to make this lasagna, I wanted it to not just satisfy hunger but also showcase the vibrant vegetables that are in season. I roasted zucchini, bell peppers, and mushrooms to bring out their natural sweetness, layering them between sheets of pasta. This method not only enhances their flavors but also reduces moisture, preventing a soggy lasagna, which can sometimes happen!

The creamy ricotta mixed with fresh basil adds a wonderful freshness that complements the deeper flavors of the marinara. I always recommend letting the lasagna rest for about 10 minutes before cutting into it; this allows the layers to set beautifully, making for perfect slices at the dinner table.

        Why You'll Love This Recipe
        A hearty dish packed with nutritious vegetables
Creamy layers of cheese elevate every bite
Perfect for meal prepping and re-heating leftovers
Great for impressing guests or family on special occasions

      

Layering Techniques for Success

Creating the perfect layers is key to a successful lasagna. Start by ensuring that the lasagna noodles are properly cooked—not too soft but pliable enough to layer without breaking. If needed, slightly undercook the noodles to prevent them from becoming mushy during baking. When layering, be sure to distribute the vegetables and cheese evenly to ensure that each slice contains a delicious balance of flavors.

For a creamy texture, allow the ricotta mixture to blend well with the cheese before layering. The ratio of ricotta to mozzarella is crucial; I recommend using more mozzarella on top to achieve that golden, bubbly finish. Make sure to spread the marinara sauce not only on the bottom but also between the layers to keep everything moist and flavorful.

Ingredient Substitutions and Variations

Feel free to customize this lasagna based on the vegetables you have on hand or prefer. For example, roasted eggplant or butternut squash can be excellent additions. If you want to make it heartier, consider adding cooked lentils or swapping in ground meat for a non-vegetarian twist. If you're lactose intolerant, try ricotta made from almond or cashew milk—these alternatives can still create a creamy texture.

You can also enhance the flavor with different herbs, such as thyme or rosemary—both pair beautifully with vegetables and add depth to the dish. For a spicy kick, add red pepper flakes to the marinara sauce or layer in some jalapeños. The beauty of this lasagna is its versatility; it's an opportunity to use up ingredients and experiment with flavors.

Storing and Reheating Tips

This lasagna is fantastic for meal prep, and storing leftovers is simple. Once cool, wrap individual portions tightly in plastic wrap and then in aluminum foil, or place the portions in airtight containers. It can be stored in the fridge for 3-4 days or in the freezer for up to three months. Just remember, the quality of the vegetables may change after freezing, but the flavor remains delicious.

When reheating, I suggest using the oven to maintain that crispy texture on top. Preheat the oven to 375°F (190°C), cover the lasagna with foil to keep it moist, and heat for about 25 minutes. For the last 5-10 minutes, remove the foil to allow the cheese to brown slightly. This method helps revive the dish, ensuring your leftovers taste nearly as good as when freshly baked.

Ingredients

Vegetables and Cheese

2 cups zucchini, sliced
1 cup bell peppers, chopped
1 cup mushrooms, sliced
1 medium onion, diced
2 cups fresh spinach
2 cups marinara sauce
1 cup ricotta cheese
2 cups shredded mozzarella cheese
1 cup grated Parmesan cheese
12 lasagna noodles, cooked and drained

Herbs and Seasonings

2 cloves garlic, minced
1 teaspoon dried oregano
1 teaspoon dried basil
Salt and pepper to taste
Fresh basil for garnish

As you gather your ingredients, don't forget to preheat the oven to 375°F (190°C) and get your favorite baking dish ready!

Instructions

Roast the Vegetables

In a large skillet over medium heat, add a bit of olive oil and sauté the onion and garlic until translucent. Next, add the zucchini, bell peppers, and mushrooms, cooking until they are tender. Season with oregano, basil, salt, and pepper. Finally, stir in the fresh spinach until wilted, then remove from heat.

Prepare the Cheese Mixture

In a bowl, combine ricotta cheese with half of the grated Parmesan cheese, a pinch of salt, and some freshly cracked black pepper. Mix well and set aside.

Layer the Lasagna

In a baking dish, start with a layer of marinara sauce on the bottom. Place three lasagna noodles, followed by half of the vegetable mixture, half of the ricotta mixture, and a sprinkle of mozzarella. Repeat the layers, finishing with noodles and a final layer of marinara and mozzarella on top.

Bake

Cover the lasagna with foil and bake in the preheated oven for 30 minutes. Then remove the foil and bake for another 15-20 minutes, or until the cheese is bubbly and golden.

Serve

Let the lasagna cool for 10 minutes before slicing. Garnish with fresh basil and serve with a side salad for a perfect meal.

Feel free to customize your lasagna by adding any of your favorite vegetables or switching up the cheeses to suit your taste!

Pro Tips

For an extra layer of flavor, try adding some crushed red pepper flakes to the marinara sauce or layer in some roasted garlic.

Creating the Best Flavor

The choice of marinara sauce significantly impacts the overall flavor of your lasagna. Opt for a high-quality store-bought sauce, or make your own by simmering tomatoes, garlic, and herbs for at least 30 minutes to achieve a rich taste. A homemade sauce will allow you to control the seasoning and flavor depth, giving your dish a personal touch.

In this recipe, the combination of roasted vegetables not only adds nutrition but also enhances the taste with caramelized notes. Roasting vegetables before layering allows their natural sugars to develop, yielding a richer, sweeter flavor that contrasts beautifully with tangy marinara. Consider roasting your vegetables until they just start to caramelize, about 15 minutes, for an ideal outcome!

Presentation Ideas

Presentation can elevate your Sunday Baked Vegetable Lasagna from ordinary to extraordinary. After baking, slice the lasagna and serve it on a rustic wooden board or individual colorful plates garnished with a sprig of fresh basil. A swirl of extra marinara or a drizzle of olive oil on the plate can add a touch of elegance.

Pair this dish with a simple side salad dressed with lemon vinaigrette to complement its hearty flavors. The acidity of the salad is refreshing and cuts through the richness of the cheese, creating a balanced meal. A sprinkle of crushed red pepper or some chili oil can also add a punch for guests who enjoy a bit of heat.

Questions About Recipes

→ Can I make vegan lasagna?

Absolutely! Substitute the cheeses with plant-based alternatives and use lentils or extra vegetables in place of any dairy ingredients.

→ How can I store leftovers?

Allow the lasagna to cool, then cover it tightly with plastic wrap or foil. It can be stored in the refrigerator for up to 3 days or frozen for up to 2 months.

→ Can I make this ahead of time?

Yes! You can assemble the lasagna a day ahead and bake it just before serving. Just remember to add a few extra minutes to the baking time if it’s coming straight from the fridge.

→ What is the best way to reheat the lasagna?

Reheat the lasagna in the oven at 350°F (175°C) until warmed through. You can add a splash of water to the dish and cover it with foil to keep it moist.