Roasted Vegetable Lasagna Bechamel

Golden-brown layers of Roasted Vegetable Lasagna with Bechamel Sauce feature caramelized zucchini and peppers bubbling with creamy sauce. Bookmark
Golden-brown layers of Roasted Vegetable Lasagna with Bechamel Sauce feature caramelized zucchini and peppers bubbling with creamy sauce. | everybitebetters.com

This Italian classic combines tender pasta sheets layered with caramelized roasted vegetables and a smooth, creamy béchamel sauce. Roasting the seasonal vegetables enhances their natural sweetness and adds depth to the dish. The béchamel, made with butter, flour, and warm milk, brings a velvety texture that balances the flavors perfectly. Baked until golden and bubbling, the meal is a hearty yet elegant choice that can be served alongside a fresh salad or a glass of wine.

The preparation involves roasting zucchini, eggplant, bell peppers, and onions, then layering them with béchamel and cheese between no-boil noodles. The slow baking melds the flavors, creating a rich and satisfying dish that highlights the freshness of each element.

I stumbled into vegetable lasagna on a rainy Tuesday when my usual ricotta was missing from the fridge. Instead of panicking, I grabbed whatever vegetables were left in the crisper and roasted them until their edges turned golden. The smell alone made me forget I was improvising, and by the time the béchamel came together, I knew this version would outlast the original.

The first time I served this to friends, someone asked if I'd ordered it from a restaurant. I laughed because half an hour earlier I was frantically whisking lumps out of the sauce. But when I pulled that bubbling dish from the oven, with its golden cheese top and the smell of roasted peppers filling the kitchen, it did look like something worth lying about.

Ingredients

  • Zucchini: Slice them evenly so they roast at the same rate, and dont worry if they release water, it adds sweetness to the layers.
  • Eggplant: Roasting transforms its spongy texture into something tender and almost meaty.
  • Red and yellow bell peppers: Their natural sugars caramelize in the oven, bringing a quiet sweetness that balances the richness of the béchamel.
  • Red onion: It softens and turns jammy when roasted, adding depth without sharpness.
  • Olive oil: Use enough to coat the vegetables lightly, this helps them brown instead of steam.
  • Dried oregano: A little goes a long way, it ties the vegetables to the Italian soul of the dish.
  • Unsalted butter: The base of your béchamel, and the reason it tastes like comfort.
  • All purpose flour: Whisk it into the butter until it smells nutty, thats when you know its ready for the milk.
  • Whole milk: Warm it first so the sauce comes together without seizing up.
  • Nutmeg: Just a whisper of it makes the béchamel taste like someone who knows what theyre doing made it.
  • No boil lasagna noodles: They save time and absorb the sauce beautifully as they bake.
  • Mozzarella cheese: Shred it yourself if you can, the pre shredded stuff doesnt melt the same way.
  • Parmesan cheese: Freshly grated Parmesan on top gives you that crispy, salty crust everyone fights over.
  • Baby spinach: Optional, but it sneaks in some green without anyone noticing.

Instructions

Roast the vegetables:
Preheat your oven to 425°F and spread the sliced vegetables across two parchment lined baking sheets. Drizzle with olive oil, season with oregano, salt, and pepper, then roast for 20 to 25 minutes, flipping halfway, until theyre tender and their edges have turned golden.
Make the béchamel:
Melt butter in a saucepan over medium heat, whisk in the flour, and cook for a minute or two until it smells toasty. Slowly pour in the warm milk while whisking constantly, then simmer until the sauce thickens and coats the back of a spoon.
Season the sauce:
Stir in nutmeg, salt, and white pepper, then pull it off the heat. The nutmeg should be subtle, like a secret only you know is there.
Assemble the lasagna:
Grease your baking dish with olive oil and spread a thin layer of béchamel on the bottom. Layer noodles, roasted vegetables, spinach, more béchamel, and a handful of mozzarella, then repeat until you run out of ingredients.
Finish and bake:
Top the final layer with the rest of the béchamel, mozzarella, and a generous sprinkle of Parmesan. Cover with foil and bake at 375°F for 25 minutes, then uncover and bake another 15 until the top is golden and bubbling.
Rest before serving:
Let the lasagna sit for 10 to 15 minutes after you pull it from the oven. This helps the layers set so your slices come out clean instead of sliding apart.
A slice of Roasted Vegetable Lasagna with Bechamel Sauce reveals hearty roasted vegetables nestled between tender noodles and rich sauce. Bookmark
A slice of Roasted Vegetable Lasagna with Bechamel Sauce reveals hearty roasted vegetables nestled between tender noodles and rich sauce. | everybitebetters.com

One evening I made this for my neighbor who said she didnt like eggplant. She went quiet after the first bite, then asked for seconds. Later she admitted she might have been wrong about eggplant, or maybe it was just the way the béchamel made everything taste like it belonged together.

How to Store and Reheat

Lasagna keeps beautifully in the fridge for up to four days, covered tightly with foil. Reheat individual portions in the microwave or warm the whole dish in a 350°F oven until heated through. The flavors deepen overnight, so dont be surprised if day two tastes even better than day one.

What to Serve Alongside

A simple arugula salad with lemon vinaigrette cuts through the richness of the béchamel without competing for attention. Garlic bread is never a bad idea, and a glass of Chianti makes the whole meal feel like you planned it all along.

Ways to Make It Your Own

This recipe is forgiving and practically begs you to experiment. Swap in mushrooms, butternut squash, or whatever vegetables are sitting in your crisper looking hopeful. A thin layer of pesto between the vegetables adds brightness, and fresh basil scattered on top before serving makes it look like you tried harder than you did.

  • Add a pinch of red pepper flakes to the béchamel for a subtle kick.
  • Use a mix of fontina and mozzarella for a creamier, more complex flavor.
  • Tuck in some ricotta between layers if you miss the classic texture.
Overhead view of Roasted Vegetable Lasagna with Bechamel Sauce, garnished with fresh basil and served alongside a vibrant green salad. Bookmark
Overhead view of Roasted Vegetable Lasagna with Bechamel Sauce, garnished with fresh basil and served alongside a vibrant green salad. | everybitebetters.com

This lasagna has a way of making ordinary nights feel special without asking much of you in return. Serve it warm, with good company, and let the vegetables do the talking.

Recipe FAQs

Slice vegetables uniformly and spread them in a single layer on baking sheets. Toss with olive oil and seasonings before roasting at 425°F, flipping halfway through.

Béchamel adds creaminess and moisture, binding the layers together while balancing the roasted vegetables’ flavors.

Yes, assemble it earlier, cover tightly, and refrigerate. Bake when ready, adding a few extra minutes if chilled.

Mushrooms, squash, or seasonal vegetables can replace or supplement the listed veggies for different flavors and textures.

Look for bubbling sauce around edges and a golden-brown top. Let it rest 10-15 minutes before slicing for best texture.

Roasted Vegetable Lasagna Bechamel

A comforting Italian dish featuring roasted veggies and creamy béchamel layered with tender pasta sheets.

Prep 40m
Cook 55m
Total 95m
Servings 6
Difficulty Medium

Ingredients

Roasted Vegetables

  • 1 medium zucchini, sliced into rounds
  • 1 medium eggplant, sliced into rounds
  • 1 red bell pepper, sliced
  • 1 yellow bell pepper, sliced
  • 1 medium red onion, sliced
  • 2 tablespoons olive oil
  • 1 teaspoon dried oregano
  • ½ teaspoon salt
  • ¼ teaspoon black pepper

Béchamel Sauce

  • 4 tablespoons unsalted butter
  • ¼ cup all-purpose flour
  • 3 cups whole milk, warmed
  • ¼ teaspoon grated nutmeg
  • ½ teaspoon salt
  • ¼ teaspoon white pepper

Lasagna Assembly

  • 9 to 12 no-boil lasagna noodles
  • 2 cups shredded mozzarella cheese
  • ½ cup grated Parmesan cheese
  • 2 cups baby spinach (optional)
  • 1 tablespoon olive oil (for greasing)

Instructions

1
Preheat and Prepare: Preheat the oven to 425°F. Line two baking sheets with parchment paper.
2
Season Vegetables: Arrange zucchini, eggplant, bell peppers, and onion on the baking sheets. Drizzle with olive oil, sprinkle oregano, salt, and black pepper, then toss to coat evenly.
3
Roast Vegetables: Roast the vegetables for 20 to 25 minutes, flipping halfway through, until tender and lightly caramelized. Set aside and reduce oven temperature to 375°F.
4
Prepare Béchamel Sauce: In a medium saucepan over medium heat, melt butter. Whisk in flour and cook for 1 to 2 minutes until lightly golden.
5
Incorporate Milk: Gradually whisk in warm milk, stirring constantly to avoid lumps. Simmer for 5 to 7 minutes until thickened. Stir in nutmeg, salt, and white pepper, then remove from heat.
6
Grease Baking Dish: Lightly grease a 9x13-inch baking dish with olive oil.
7
Assemble Layers: Spread a thin layer of béchamel on the bottom. Arrange a layer of noodles, followed by one-third of roasted vegetables, a handful of spinach if using, béchamel, and a sprinkle of mozzarella.
8
Repeat Layers: Repeat the layering two more times, finishing with noodles, remaining béchamel, mozzarella, and Parmesan cheese on top.
9
Bake Covered: Cover the dish with foil and bake at 375°F for 25 minutes.
10
Bake Uncovered: Remove foil and bake an additional 15 minutes until golden and bubbling.
11
Rest Before Serving: Allow the dish to rest for 10 to 15 minutes before slicing and serving.
Additional Information

Equipment Needed

  • Baking sheets
  • Parchment paper
  • Saucepan
  • Whisk
  • 9x13-inch baking dish
  • Knife and cutting board
  • Foil

Nutrition (Per Serving)

Calories 410
Protein 16g
Carbs 41g
Fat 20g

Allergy Information

  • Contains milk (dairy) and wheat (gluten). Verify cheese and noodle packaging for additional allergens.
Sophie Adams

Sharing simple, flavorful recipes and practical cooking tips for everyday home cooks.