One-Pan Smoky Veggie Lentil Lasagne

Featured in: Oven & Skillet Staples

This satisfying one-pan creation features layers of smoky vegetable bolognese enriched with protein-packed red lentils, earthy mushrooms, and fresh courgettes. The smoked paprika and aromatic herbs infuse the dish with deep, savory notes while the three-cheese topping creates a golden, bubbling finish. Perfect for feeding a crowd with minimal washing up.

Updated on Wed, 28 Jan 2026 13:01:00 GMT
A close-up of One-Pan Smoky Veggie Lentil Lasagne, showcasing golden bubbly mozzarella and Parmesan on lasagne sheets above rich, smoky vegetable bolognese with lentils, mushrooms, and courgettes. Save to Pinterest
A close-up of One-Pan Smoky Veggie Lentil Lasagne, showcasing golden bubbly mozzarella and Parmesan on lasagne sheets above rich, smoky vegetable bolognese with lentils, mushrooms, and courgettes. | simplelouz.com

I used to think lasagne was strictly an all afternoon production involving every pot in my cupboard. Then a rainy Tuesday evening forced me to simplify everything into one deep skillet. The smell of smoked paprika hitting the pan convinced me this was a better way to eat. It felt less like a chore and more like a cozy experiment in efficiency.

My kitchen was a disaster of flour and tomato sauce the last time I tried a traditional stack. This time I sat on the counter with a glass of wine while the skillet did all the heavy lifting. There is something incredibly peaceful about watching cheese bubble under foil without a mountain of dishes waiting for you.

Ingredients

  • Olive oil: Use a generous pour to ensure the aromatics soften beautifully without sticking to the pan.
  • Onion and Garlic: Finely dice these to create a sweet and fragrant base that melts into the lentils.
  • Mushrooms and Courgette: These vegetables provide a meaty texture and essential moisture for cooking the pasta sheets.
  • Smoked Paprika: This is the secret to that deep bonfire warmth that makes the sauce feel complex and aged.
  • Red Lentils: They act as both a protein source and a natural thickener for the vegetable bolognese.
  • Vegetable Stock: Choose a low sodium version so you can control the final seasoning of the dish yourself.
  • No Boil Lasagne Sheets: These are essential because they soak up the sauce juices to become perfectly tender.
  • Ricotta and Mozzarella: This combination creates those signature creamy pockets and the stretchy golden crust we all love.

Instructions

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Perfect for frying eggs, sautéing vegetables, and simmering small-batch sauces for quick everyday meals.
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Soften the aromatics:
Warm the oil in your skillet and listen for the gentle sizzle as the onions and carrots turn translucent. Stir in the garlic and peppers until the kitchen fills with a sweet and savory perfume.
Brown the vegetables:
Toss in the mushrooms and courgette then cook them until they release their moisture and start to golden. This step is vital for building a concentrated flavor profile in the base sauce.
Simmer the bolognese:
Stir in the spices chopped tomatoes and lentils before pouring in the stock to cover everything. Let it bubble gently until the lentils are soft and the sauce has thickened into a rich stew.
Layer the pasta:
Tuck the lasagne sheets into the bubbling sauce making sure they are fully submerged like they are under a blanket. Add dollops of ricotta and a handful of cheese between the layers for maximum creaminess.
The cheese topping:
Scatter the remaining mozzarella and parmesan over the top until the surface is completely hidden. This creates a protective shield that helps the pasta steam while forming a crispy crust.
Bake and rest:
Slide the pan into the oven under a foil tent then uncover it for the final ten minutes to brown. Let the lasagne sit for a moment so the layers set and the flavors fully marry together.
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Perfect for frying eggs, sautéing vegetables, and simmering small-batch sauces for quick everyday meals.
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| simplelouz.com

I served this to my sister who usually scoffs at anything without beef and she asked for thirds. We sat by the window until it got dark just scooping the last bits of crispy cheese from the edges of the pan. It was one of those rare nights where the food was perfect and the conversation just flowed.

Skillet Secrets

Using a heavy bottomed skillet is the best way to ensure even heat distribution across the lentils. This prevents the bottom from catching while the pasta on top is still steaming. If you do not have a lid for your pan a tightly sealed piece of foil works just as well to trap the heat.

Seasonal Swaps

This recipe is a forgiving canvas for whatever is lingering in your crisper drawer. In the autumn you might swap the courgette for finely diced butternut squash for a sweeter profile. Just ensure the vegetables are diced small enough to cook through in the simmering sauce time.

Serving Suggestions

A simple side of bitter greens or a crisp salad helps balance the richness of the smoky lentils. You can also serve this with a thick slice of toasted sourdough to mop up any leftover sauce on the plate. Here are a few final touches to make it special.

  • A handful of fresh arugula on top adds a peppery bite that cuts the richness.
  • Try a sprinkle of toasted pine nuts for an unexpected crunch in every forkful.
  • Keep a bowl of extra parmesan on the table for those who love a salty finish.
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Keeps spices within easy reach while cooking, helping you season dishes quickly during everyday meal prep.
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One-Pan Smoky Veggie Lentil Lasagne served from a deep skillet, garnished with fresh basil and a sprinkle of grated Parmesan, with steam rising from the golden, cheesy layers. Save to Pinterest
One-Pan Smoky Veggie Lentil Lasagne served from a deep skillet, garnished with fresh basil and a sprinkle of grated Parmesan, with steam rising from the golden, cheesy layers. | simplelouz.com

I hope this smoky skillet becomes a staple for your busy weeknights. It is proof that comfort food does not have to be a complicated mess to be deeply satisfying.

Recipe FAQs

Can I make this vegan?

Yes, simply substitute the ricotta, mozzarella, and Parmesan with plant-based alternatives. The flavor and texture remain excellent.

Do I need to cook the lasagne sheets first?

No, use oven-ready no-boil lasagne sheets. They cook perfectly in the sauce during baking, absorbing the flavorful bolognese.

How long does this keep?

Store in the refrigerator for up to 3 days. It freezes well for up to 3 months. Reheat covered at 180°C until piping hot.

Can I use green lentils instead of red?

Red lentils work best as they break down naturally, creating a thick sauce. Green lentils hold their shape and won't provide the same creamy texture.

What can I serve with this?

A crisp green salad with vinaigrette and crusty bread complement perfectly. Pair with light Italian red wine like Chianti.

One-Pan Smoky Veggie Lentil Lasagne

Vibrant layers of smoky vegetable bolognese with red lentils, mushrooms, and courgettes in one convenient pan.

Prep Time
25 min
Cook Time
50 min
Overall Time
75 min
Created by Sienna Holland


Skill Level Medium

Cuisine Italian-Inspired

Makes 6 Portions

Diet Preferences Vegetarian Option

What You'll Need

Vegetable Bolognese

01 2 tablespoons olive oil
02 1 large onion, finely chopped
03 3 garlic cloves, minced
04 2 medium carrots, diced
05 2 celery stalks, diced
06 1 red bell pepper, diced
07 8.8 ounces mushrooms, finely chopped
08 1 large zucchini, diced
09 1 teaspoon smoked paprika
10 1 teaspoon dried oregano
11 0.5 teaspoon dried thyme
12 0.5 teaspoon chili flakes, optional
13 1 can (14 ounces) chopped tomatoes
14 2 tablespoons tomato paste
15 150 grams dried red lentils, rinsed
16 2.5 cups vegetable stock
17 Salt and black pepper to taste
18 1 tablespoon balsamic vinegar

Lasagne and Cheese

01 9 to 12 no-boil lasagne sheets
02 7 ounces ricotta cheese
03 5.3 ounces grated mozzarella
04 1.8 ounces grated Parmesan or vegetarian hard cheese

Topping

01 2 tablespoons fresh basil leaves, torn

How-To Steps

Step 01

Sauté aromatics: Heat olive oil in a large, deep ovenproof skillet over medium heat. Add onion and cook for 3 to 4 minutes until softened.

Step 02

Build flavor base: Stir in garlic, carrots, celery, and red bell pepper. Cook for 5 minutes until just tender.

Step 03

Add mushrooms and zucchini: Add mushrooms and zucchini. Sauté for 5 to 6 minutes until softened and any moisture has evaporated.

Step 04

Bloom spices: Sprinkle in smoked paprika, oregano, thyme, and chili flakes if using. Cook for 1 minute until fragrant.

Step 05

Create bolognese base: Stir in chopped tomatoes, tomato paste, red lentils, and vegetable stock. Season with salt and pepper.

Step 06

Simmer lentils: Bring to a simmer, cover, and cook gently for 20 to 25 minutes until lentils are tender and the mixture is thick but saucy. Stir in balsamic vinegar.

Step 07

Preheat oven: Preheat oven to 350 degrees Fahrenheit.

Step 08

Prepare for layering: Remove half the vegetable bolognese from the pan and set aside. Arrange a layer of lasagne sheets over the remaining sauce.

Step 09

First cheese layer: Dollop half the ricotta over the lasagne sheets, then sprinkle with a third of the mozzarella and Parmesan.

Step 10

Build middle layers: Spread half the reserved vegetable bolognese over the cheese layer, top with more lasagne sheets, and repeat the layering: ricotta, mozzarella, Parmesan, and the final layer of vegetable bolognese.

Step 11

Top and finish: Finish with a final layer of lasagne sheets and sprinkle the remaining mozzarella and Parmesan on top.

Step 12

Bake covered: Cover pan with foil and bake for 25 minutes.

Step 13

Finish baking: Remove foil and bake for another 10 to 15 minutes until golden and bubbling.

Step 14

Rest and garnish: Rest for 10 minutes before serving. Garnish with fresh basil leaves.

Tools Needed

  • Large ovenproof skillet or sauté pan
  • Chopping board and knife
  • Grater
  • Measuring cups and spoons
  • Aluminum foil

Allergy Advice

Review component list for allergens. When unsure, ask a healthcare expert.
  • Contains dairy: ricotta, mozzarella, Parmesan
  • Contains gluten in standard lasagne sheets
  • Use gluten-free lasagne sheets for gluten sensitivity
  • Use vegan cheese alternatives for dairy-free requirements

Nutrition Information (per serving)

Nutritional info from Simple Louz offers general insight, but please see your doctor for health matters.
  • Calorie Count: 395
  • Fats: 13 g
  • Carbohydrates: 50 g
  • Proteins: 18 g