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    Home » Recipes » Vegetarian/Vegan Meals

    Vegetarian Lentil Stuffed Zucchini Boats

    June 28, 2020 By Monika Last Updated April 23, 2026 6 Comments

    Jump to Recipe

    This vegetarian stuffed zucchini features roasted zucchinis filled with a mixture of lentils, tomatoes and red pepper and topped with melted mozzarella for a delicious Mediterranean-inspired meal, snack or side dish. Healthy and easy to make using simple ingredients.

    Top down view of vegetarian stuffed zucchini boats on top of parchment.

    This vegetarian stuffed zucchini contains a mixture of sweet and tangy vegetables and green lentils so it's not only delicious but also satisfying. It involves roasting the zucchinis along with the red bell pepper (for added sweetness), making a quick filling mixture then simply stuffing the zucchinis, topping with cheese and briefly roasting again.

    Green lentils, with their subtle nutty flavour, make a fantastic stuffing ingredient as they are quick and easy to prepare, add bulk and protein and work with a wide range of ingredients. They make a hearty, delicious pie filling, add bulk to pasta sauce, and make a great meat substitute in vegetarian moussaka. Green lentils hold their shape in cooking, adding bulk as well as texture, which is why they are the perfect stuffing ingredient for vegetarian zucchini boats.

    This lentil stuffed zucchini recipe uses not only the hollowed out zucchini shell but also the pulp, which is added into the filling mixture so nothing gets wasted!

    Vegetarian stuffed zucchini ingredients and substitutions

    Ingredients for making vegetarian stuffed zucchini in individual dishes.
    Vegetarian stuffed zucchini ingredients.
    • Zucchini: I recommend using medium or large zucchinis as they can hold a generous amount of the stuffing mixture.
    • Lentils: I used puy lentils, but standard green lentils are a good substitute. I recommend cooking lentils from scratch rather than using canned (which are always a bit overdone).
    • Red bell pepper: adds sweetness.
    • Red onion: you can use any onion.
    • Garlic.
    • Passata.
    • Tomato paste.
    • Thyme: you can use Italian herbs, instead.
    • Garlic granules/powder.
    • Olive oil.
    • Salt and pepper.
    • Shredded mozzarella: use vegan cheese, instead, if desired.

    How to prepare the zucchini

    Zucchinis are easy to prepare and make a great stuffing vegetable. First trim off both ends then cut each zucchini in half lengthways and cut out the middle (see details below). Make sure you don't cut through the skin. Chop the pulp quite finely and add into the filling mixture while the hollowed out zucchinis are roasting (see instructions below).

    How to make lentil stuffed zucchini: step-by-step

    1. Preheat the oven to 400F/200C/fan 180/gas mark 6. Line a large baking sheet with parchment paper and set aside.

    2. Prepare zucchini: Cut each zucchini in half lengthwise then cut out the middle leaving about ¼'' around the edge (I used a knife and melon baller to do this, but you can use a spoon, instead). Finely chop the pulp and reserve to use later.

    3. Roast: Place the zucchini halves on top of the baking sheet and brush the edges with a little oil (about 1.5 teaspoons). Season lightly with salt and pepper and sprinkle with the garlic granules. Place the halved pepper, cut side down, on the baking sheet and bake in the centre of the oven for 25 minutes. Remove from the oven and set aside (leave the oven on).

    Raw zucchini boats and red pepper half on parchment.
    Hollowed out roasted zucchini boats and red pepper on parchment.

    4. Cook lentils: In the meantime cook the lentils and prepare the filling mixture (see below). Combine the lentils with twice the amount of water, add a little salt, cover and bring to the boil then lower the heat and simmer for about 15 minutes or until fully cooked. Drain and set aside.

    5. Make filling: In a large pan heat 1 tablespoon of oil, add the onion and cook gently for 3 minutes until softened, stirring often. Add the garlic and finely chopped zucchini pulp and cook over a medium heat for 6-7 minutes or until softened and reduced in volume, stirring often.

    Chopped red onion and zucchini pulp in large pan.
    Chopped zucchini pulp and red onion in large pan.

    6. Add lentils: Add the lentils, passata, tomato paste, finely chopped roasted pepper (without the skin), thyme, salt and pepper to taste. Stir, cover and simmer for about 10 minutes. Remove from the heat and adjust the flavour if needed.

    Cooked lentils, chopped red pepper and passata in large pan.
    Top down view of vegetarian zucchini stuffing mixture in large pan.

    7. Stuff and bake zucchinis: Fill the zucchini boats with the mixture, sprinkle the mozzarella on top and return to the oven for 10-12 minutes. Remove from the oven and serve.

    Lentil stuffed zucchini boats on top of parchment paper.
    Top down view of zucchini boats topped with shredded cheese on parchment.
    Top down view of baked vegetarian zucchini boats with melted cheese on top.

    Serving suggestions

    These Mediterranean-inspired vegetarian zucchini boats can be served on their own as a light meal, but are also delicious with garlic bread and creamy white sauce. You can also serve them as a side dish with grilled chicken or halloumi. Fresh basil and/or red pepper flakes work well as garnish (see the photos).

    Can I prepare it ahead

    Yes, you can! You can pre-roast the zucchini boats, make the lentil filling mixture then stuff the zucchinis and once cooled, cover and refrigerate overnight. The following day bake in a preheated oven for up to 15 minutes or until the cheese has melted and the zucchinis are piping hot (remove them from the fridge about 30 minutes before placing in the oven).

    Alternatively, refrigerate the pre-roasted zucchinis and filling mixture separately. Assemble and bake the following day.

    Top tips

    • I recommend using medium or large zucchinis. They are easy to prepare and you can stuff them with generous amounts of the filling mixture.
    • For best results use green rather than red lentils (green add texture).
    • To save time boil the lentils and start preparing the filling mixture while the zucchinis and pepper are roasting.
    • Leftover lentil stuffed zucchinis can be refrigerated, covered, for up to 3 days. Reheat in the microwave or serve as a cold snack.
    • Freeze for up to 3 months.

    Related recipes to try next

    • Vegan Stuffed Eggplant
    • Vegetarian Stuffed Peppers with Chickpeas and Rice
    • Spinach and Feta Stuffed Sweet Potatoes

    See also these other easy, delicious vegetarian meal ideas!

    Recipe

    Top down view of vegetarian stuffed zucchini boats on top of parchment.

    Vegetarian Lentil Stuffed Zucchini Boats

    This vegetarian stuffed zucchini features roasted zucchinis filled with a mixture of lentils, tomatoes and red pepper and topped with melted mozzarella for a delicious Mediterranean-inspired meal, snack or side dish. Healthy and easy to make using simple ingredients.
    5 from 1 vote
    Print Pin Rate
    Course: Main, Side, Snack
    Cuisine: gluten free, vegetarian
    Prep Time: 15 minutes minutes
    Cook Time: 45 minutes minutes
    Total Time: 1 hour hour
    Servings: 6 servings
    Calories: 156kcal
    Author: Monika Dabrowski

    Equipment

    • Large baking sheet
    • Melon baller or spoon
    • Large pan with lid
    • Small pot

    Ingredients

    • 3 zucchinis medium/large
    • 1 small red bell pepper or ½ large
    • 1 cup (140 g) puy/green lentils cooked, you will need approx.½ c. dried
    • 1 small red onion finely chopped
    • 2 garlic cloves finely chopped
    • ½ cup (125 g) passata
    • 1½ tablespoons tomato paste
    • ½ teaspoon dried thyme
    • 1 teaspoon fine sea salt plus pepper to taste
    • 1½ tablespoons olive oil
    • ⅔ cup (75 g) mozzarella cheese shredded, loosely packed

    Instructions

    • Preheat the oven to 400F/200C/fan180/gas mark 6. Line a large baking sheet with parchment paper and set aside.
    • Prepare zucchini: Cut each zucchini in half lengthwise then cut out the middle leaving about ¼'' around the edge (I used a knife and melon baller to do this, but you can use a spoon, instead). Finely chop the pulp and reserve to use later.
    • Roast: Place the zucchini halves on top of the baking sheet and brush the edges with a little oil (about 1.5 teaspoons). Season lightly with salt and pepper and sprinkle with the garlic granules. Place the halved pepper, cut side down, on the baking sheet and bake in the centre of the oven for 25 minutes. Remove from the oven and set aside (leave the oven on).
    • Cook lentils: In the meantime cook the lentils and prepare the filling mixture (see below). Combine the lentils with twice the amount of water, add a little salt, cover and bring to the boil then lower the heat and simmer for about 15 minutes or until fully cooked. Drain and set aside.
    • Make filling: In a large pan heat 1 tablespoon of oil, add the onion and cook gently for 3 minutes until softened, stirring often. Add the garlic and finely chopped zucchini pulp and cook over a medium heat for 6-7 minutes or until softened and reduced in volume, stirring often.
    • Add lentils: Add the lentils, passata, tomato paste, finely chopped roasted pepper (without the skin), thyme, salt and pepper to taste. Stir, cover and simmer for about 10 minutes. Remove from the heat and adjust the flavour if needed.
    • Stuff and bake zucchinis: Fill the zucchini boats with the mixture, sprinkle the mozzarella on top and return to the oven for 10-12 minutes. Remove from the oven and serve.

    Notes

    • I recommend using medium or large zucchinis. They are easy to prepare and you can stuff them with generous amounts of the filling mixture.
    • For best results use green rather than red lentils (green add texture).
    • To save time boil the lentils and start preparing the filling mixture while the zucchinis and pepper are roasting.
    • Leftover vegetarian stuffed zucchini can be refrigerated, covered, for up to 3 days. Reheat in the microwave or serve as a cold snack.
    • Freeze for up to 3 months.

    Nutrition

    Serving: 1serving | Calories: 156kcal | Carbohydrates: 17g | Protein: 9g | Fat: 7g | Saturated Fat: 2g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Cholesterol: 10mg | Sodium: 513mg | Potassium: 616mg | Fiber: 5g | Sugar: 6g | Vitamin A: 1075IU | Vitamin C: 48mg | Calcium: 100mg | Iron: 2mg

    *Nutritional information is automatically generated and should be considered as an estimate.

    **A note about baking: If using a fan-assisted oven refer to your appliance's instructions and adjust the temperature accordingly.

    Tried this Recipe? Pin it for Later!Mention @Monika8021 or tag #EverydayHealthyRecipes!

    Keep in touch!

    If you make this vegetarian stuffed zucchini recipe I'd love to know how it turned out for you. Let me know in the comments below, thanks!

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    Comments

      5 from 1 vote (1 rating without comment)

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    1. EmmA says

      May 14, 2025 at 10:21 am

      Hi. I m going to try your this recipe today. Looks delicious.
      Many thanks

      Reply
      • Monika says

        May 15, 2025 at 10:03 am

        Hope you enjoy it:)

        Reply
    2. Desicart says

      July 02, 2020 at 10:57 am

      These are simple and fast to prepare and everyone enjoyed them!

      Reply
      • Monika says

        July 02, 2020 at 4:10 pm

        Thanks for letting me know:)

        Reply
    3. Judee says

      June 30, 2020 at 1:11 am

      I always am looking for ways to use zucchini. This is such a wonderful idea. I love stuffed zucchini but have never used lentils! thanks for the recipe.

      Reply
      • Monika says

        June 30, 2020 at 12:55 pm

        You are welcome:)

        Reply

    Hi, I am Monika, welcome to Everyday Healthy Recipes! This blog is all about simple recipes with a healthy twist, old classics with a modern take, and an occasional Polish dish thrown into the mix - all easy to make and delicious, perfect for everyday cooking.

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