Sunday Slow Baked Vegetable Lasagna

Name: Sunday Slow Baked Vegetable Lasagna
Prep time: 30 min
Cook time: 1 h 30 min
Total time: 2 h
Yield: 8 servings
Ingredients: 12 lasagna noodles; 2 cups marinara sauce; 1 zucchini, sliced; 1 bell pepper, diced; 1 cup mushrooms, sliced; 1 cup spinach, chopped; 15 oz ricotta cheese; 2 cups shredded mozzarella cheese; 1/2 cup grated Parmesan cheese; 1 tablespoon olive oil; 1 teaspoon dried oregano; 1 teaspoon dried basil; Salt and pepper to taste

Highlighted under: Comfort Food

I absolutely love preparing this Sunday Slow Baked Vegetable Lasagna. It combines layers of fresh vegetables, rich tomato sauce, and creamy cheese to create a hearty meal that brings everyone to the table. The long baking time allows the flavors to meld beautifully, and I find that it's perfect for meal prepping or sharing with friends and family. Each bite is a celebration of flavors and textures that always draws compliments. I can hardly wait to share it with you!

Created by

Penelope Dawson

Last updated on 2026-01-14T02:58:08.250Z

When I first made this lasagna, I wanted to create a comforting dish that didn't skimp on nutrition. I experimented with seasonal vegetables, and the results were fantastic! The sweet peppers and zucchini add a delightful flavor, and the slow baking allows the veggies to stay tender while still holding their structure.

One tip I've found useful is to let the lasagna sit for 10 minutes after baking before slicing it. This helps the layers to set, making serving easier and ensuring every slice looks beautiful. Trust me, your family and friends will be asking for seconds!

        Why You'll Love This Recipe
        Layered with an array of fresh vegetables for a wholesome experience
Rich, homemade tomato sauce that enhances every bite
A family favorite that turns Sunday dinners into cherished moments

      

The Importance of Layering

Layering is crucial to achieving both texture and flavor in your lasagna. Each component plays a distinct role, from the creamy ricotta that adds richness to the fresh vegetables that provide crunch and nutrients. By varying the ingredients in each layer, you ensure a balanced bite every time, keeping things exciting and satisfying. I recommend starting with a base layer of sauce to prevent sticking and help the noodles cook evenly.

When layering, it's essential not to overfill each layer. A good rule of thumb is to use about a third of each ingredient per layer, which provides enough contrast without overwhelming the structure. Too much filling can cause the lasagna to collapse or become soggy, so aim for consistency throughout. Pay attention to how densely you pack each layer to maintain the best texture.

Maximizing Flavor with Fresh Ingredients

Using fresh vegetables not only elevates the dish but also impacts its overall flavor profile. For the best results, choose veggies in their prime—look for firm zucchini, vibrant bell peppers, and fresh mushrooms. Roasting these vegetables briefly before layering can enhance their sweetness and add a delicious caramelized flavor, which works beautifully with the creamy ricotta and tangy marinara.

If you're in need of substitutions, consider using eggplant instead of zucchini for a meatier texture, or kale instead of spinach for a bolder taste. Each vegetable brings its own characteristics, so feel free to mix and match based on your preferences or seasonal availability. The more colorful the range of vegetables, the more visually appealing and nutritious your lasagna will be.

Ingredients

Gather these fresh ingredients for a delicious lasagna:

Lasagna Ingredients

12 lasagna noodles
2 cups marinara sauce
1 zucchini, sliced
1 bell pepper, diced
1 cup mushrooms, sliced
1 cup spinach, chopped
15 oz ricotta cheese
2 cups shredded mozzarella cheese
1/2 cup grated Parmesan cheese
1 tablespoon olive oil
1 teaspoon dried oregano
1 teaspoon dried basil
Salt and pepper to taste

With these ingredients ready, you're set to create a delicious lasagna!

Instructions

Follow these steps to create your lasagna masterpiece:

Preheat and Prepare

Preheat your oven to 375°F (190°C). Cook the lasagna noodles according to package instructions until al dente. Drain and lay them flat to prevent sticking.

Sauté Vegetables

In a skillet over medium heat, add olive oil. Sauté zucchini, bell pepper, and mushrooms until softened, about 5 minutes. Stir in spinach until wilted, then season with oregano, basil, salt, and pepper.

Assemble the Lasagna

In a baking dish, spread a thin layer of marinara sauce on the bottom. Layer three noodles, half of the ricotta, half of the vegetable mixture, and a third of the mozzarella. Repeat the layers, finishing with noodles and remaining sauce. Top with the rest of the mozzarella and sprinkle with Parmesan cheese.

Bake

Cover the dish with aluminum foil and bake for 60 minutes. Remove the foil and bake for an additional 30 minutes until the top is golden and bubbly.

Cool and Serve

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

Now you can relish your homemade lasagna!

Pro Tips

For a perfect texture, consider adding a layer of bechamel sauce between the layers for added creaminess.

Make-Ahead and Storage Tips

This lasagna is perfect for make-ahead meals. You can assemble the entire dish a day in advance—just wrap it tightly with plastic wrap or foil and store it in the refrigerator. When you're ready to bake, remove it from the refrigerator about 30 minutes before baking to ensure even cooking. You might need to add 10-15 minutes to the baking time if it's going in cold.

If you plan to freeze the lasagna, do so before baking. Wrap it well in plastic wrap, then in foil to prevent freezer burn. It can stay frozen for up to three months. To bake from frozen, remove the foil and cover it with foil; bake at 375°F (190°C) for about 90 minutes, then uncover and bake until bubbly and golden.

Serving Suggestions

To elevate your lasagna experience, serve it alongside a simple green salad tossed with a light vinaigrette. This adds a refreshing contrast to the richness of the lasagna. Garlic bread or a crusty artisan loaf also pairs wonderfully, perfect for soaking up extra sauce. Don't forget a generous sprinkle of freshly grated Parmesan on top just before serving; it adds an extra layer of flavor.

For a unique twist, consider adding a layer of cooked lentils or chickpeas among the vegetables for added protein and fiber. This makes the dish heartier, perfect for satisfying those with bigger appetites. Experimenting with herbs in the marinara, such as fresh basil or parsley, can also enhance the overall aroma and flavor, making your Sunday dinner even more inviting.

Questions About Recipes

→ Can I prepare this lasagna in advance?

Yes! You can assemble the lasagna a day ahead, cover it, and keep it in the fridge until you're ready to bake.

→ What if I don't have ricotta cheese?

You can substitute cottage cheese for a similar texture, or use a combination of cream cheese and yogurt.

→ Can I freeze leftovers?

Absolutely! Freeze the lasagna in an airtight container or wrap it tightly in foil for up to 3 months.

→ What vegetables work best?

Feel free to vary the vegetables based on what you have—broccoli, carrots, or eggplant work wonderfully!