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Home » Casseroles » Zucchini Lasagna

Zucchini Lasagna

A photo of Vered DeLeeuw.
by Vered DeLeeuwUpdated May 8, 2025
40 Comments
5 from 61 votes

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You can make an amazing zucchini lasagna by replacing the noodles with grilled zucchini slices. The delicious result has all the wonderful flavors we love in traditional lasagna.

Zucchini lasagna is served in a white baking dish with a serving fork.

This lasagna is so good! Layers of grilled zucchini slices, well-seasoned meat, creamy ricotta, and mozzarella combine into a wonderfully flavorful lasagna that everyone in my family enjoys. The leftovers are delicious, too, and can be reheated in the oven or microwave.

Ingredients

The ingredients needed to make zucchini lasagna.

See the recipe card for exact measurements. Here are my comments on some of the ingredients.

  • For the zucchini layer: Fresh zucchini, olive oil spray, kosher salt, black pepper, and garlic powder.
  • Beef layer: Ground beef, garlic, olive oil, and marinara sauce. The flavor of your lasagna will significantly depend on the marinara sauce you use. I prefer sugar-free pasta sauce. My favorite brand is Rao's. Their spicy Arrabbiata sauce is delicious!
  • Ricotta layer: Ricotta cheese, eggs, and fresh basil. It's important to use fresh basil. Dried won't be as good. Fresh basil is far more flavorful. I also urge you to use whole-milk ricotta cheese for the best texture and flavor.
  • Mozzarella layer: I use shredded mozzarella cheese. It's fine to use store-bought pre-shredded mozzarella. Part-skim mozzarella works and is widely available, but if you can find whole-milk mozzarella, that's even better.

Variations

  1. You can make this lasagna with ground lamb, chicken, or turkey. It doesn't taste the same as beef, but these options make for interesting variations. I especially like the turkey one, as long as you use ground turkey thighs and not breasts, which are too lean.
  2. Sometimes, I add a generous pinch of onion powder when I season the zucchini.
  3. You can substitute well-softened cream cheese for the ricotta. I experimented with this option and have found that the results are richer and heavier, but delicious.
  4. Provolone is a good substitute for mozzarella. You can also use a shredded cheese bag labeled "Italian cheese mix."
  5. I sometimes sprinkle the finished dish with a tablespoon or two of grated Parmesan for added flavor.

Instructions

The detailed instructions and step-by-step photos are included in the recipe card. Here's a quick overview.

You start by slicing the zucchini lengthwise, seasoning the slices, and grilling them. To make the meat layer, cook the ground beef with garlic, spices, and marinara sauce.

Cooking the beef for zucchini lasagna in a skillet.

Mix the ricotta cheese with eggs and basil. Assemble the lasagna by layering the grilled zucchini slices, beef, ricotta, and shredded mozzarella.

The lasagna is ready for the oven.

Bake the lasagna until hot and bubbly, then serve.

The lasagna is ready.

5 stars rating. Wow!!! This is easy to make and tastes delicious. I will be making it often. I had tried numerous other zucchini lasagna recipes, this is the first one that was not soupy. I think grilling the zucchini makes a big difference.
Sam
Read more comments

Recipe Tips

Grill the Zucchini

Zucchini has a high water content. Grilling helps dry it and remove some of the water. Otherwise, it will release water into the lasagna as it bakes. As an alternative, you can bake the zucchini slices in a 500°F oven until golden, for about 5 minutes on each side, as shown in the photo below.

Zucchini slices arranged  on a baking sheet.

You can also broil the zucchini. Use a broiler-safe baking sheet and unbleached parchment paper marked as broiler-safe (or nonstick foil). Broil the zucchini slices 6 inches below the heating element (not directly below) for 3-4 minutes per side. If opting for baking or broiling the zucchini slices, remember to set the oven to 350°F when you're done.

Make-Ahead Tips

You can grill the zucchini slices the day before and layer them in an airtight container separated by paper towels. After a few hours, discard the wet paper towels and replace them with dry ones.

You can also cook the ground beef ahead of time. Once cooked, divide the mixture into three airtight containers and refrigerate them until the next day. Briefly reheat the mixture in the microwave, covered, before using it in the lasagna.

Storing Leftovers

You can keep the leftovers in an airtight container in the fridge for 3-4 days. Reheat them in the microwave, covered, at 50% power, or uncovered in a 350°F oven. You can also freeze the cooled leftovers for up to three months.

Serving Suggestions

Zucchini lasagna is a complete meal, so you don't really need a side dish to go with it, but I sometimes serve it with a side of keto garlic bread and add a simple vegetable side or a quick salad. Here are a few ideas:

  • Steamed broccoli
  • Sauteed spinach
  • Steamed asparagus
  • Tomato salad
  • Arugula salad
  • Spinach salad

Recipe Card

Zucchini lasagna is served in a white baking dish.
5 from 61 votes
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Zucchini Lasagna Recipe (Incredibly Good!)

This delicious zucchini lasagna has all the wonderful flavors of the traditional dish, using a vegetable base instead of noodles.
Prep Time40 minutes mins
Cook Time30 minutes mins
Total Time1 hour hr 10 minutes mins
Course: Side Dish
Cuisine: Italian
Diet: Gluten Free
Servings: 8 servings
Calories: 368kcal
Author: Vered DeLeeuw
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Video

Ingredients

For the zucchini layer:

  • 5 medium zucchini - 2 pounds total weight
  • Olive oil cooking spray
  • 1 ½ teaspoons Diamond Crystal kosher salt - divided; see notes below
  • ½ teaspoon black pepper - divided
  • ½ teaspoon garlic powder

For the beef layer:

  • 1 tablespoon olive oil
  • 1 pound lean ground beef - 85/15
  • 1 tablespoon fresh garlic - minced
  • 1 ⅓ cup marinara sauce - divided

For the ricotta layer:

  • 15 ounces ricotta cheese - whole milk, room temperature
  • 2 large eggs
  • ½ cup fresh basil - chopped, packed; 1 ounce

Topping:

  • 8 ounces mozzarella cheese - shredded, part-skim or whole milk, divided

Instructions

Grill the zucchini slices:

  • Preheat the oven to 350°F and heat your grill to medium. Slice the zucchini lengthwise into ¼-inch-thick strips, getting 6 slices out of each zucchini and discarding the ends.
    Slicing zucchini.
  • Spray the zucchini slices with olive oil and sprinkle them with ½ teaspoon of kosher salt, ⅛ teaspoon of black pepper, and ½ teaspoon of garlic powder.
    Seasoned zucchini slices.
  • Grill the zucchini slices in batches for 2-3 minutes on each side or until golden and firm - not browned and crisp. Spread them on clean kitchen towels to soak up more moisture.
    Grilling zucchini slices.

Cook the beef:

  • Heat the olive oil in a large skillet over medium-high heat for about 2 minutes. Add the meat, minced garlic, ½ teaspoon of kosher salt, and ¼ teaspoon of black pepper.
    Cooking ground beef in a skillet.
  • Cook, stirring with a wooden spoon to break up the meat, until the meat is no longer raw, about 5 minutes. Drain. Return the beef to the pot and mix in 1 cup marinara sauce. Turn the heat off and set the beef mixture aside.
    Adding marinara sauce to the ground beef.

Prepare the ricotta layer:

  • In a medium bowl, use a fork to mix together the ricotta, eggs, basil, and the remaining kosher salt and black pepper.
    Mixing ricotta, eggs, and basil.

Assemble the lasagna:

  • Spread the remaining ⅓ cup of marinara sauce on the bottom of a 9 X 13 baking dish. You can also use a slightly smaller baking dish, such as one measuring 11 X 7 inches.
    Alternatively, lightly grease the bottom of the baking dish instead of spreading it with marinara.
    A greased baking dish.
  • Top the marinara sauce with a layer of zucchini, then a third of the ricotta mixture, a third of the meat mixture, and a third of the shredded mozzarella cheese.
    Layering the lasagna.
  • Repeat, arranging the zucchini slices in the opposite direction: zucchini, ⅓ ricotta, ⅓ meat mixture, ⅓ mozzarella.
    Adding another layer to the lasagna.
  • Repeat one last time, adding one extra layer of zucchini: zucchini, ricotta, meat mixture, more zucchini, and mozzarella.
    The lasagna is ready for the oven.

Bake the lasagna:

  • Bake, uncovered, until the cheese is golden, about 30 minutes. If your baking dish is broiler-safe, you can finish by broiling the lasagna for 1-2 minutes to brown the cheese.
    Placing the lasagna in the oven.
  • Let the lasagna stand for 10 minutes before serving.
    The lasagna is ready.

Notes

  • If using any salt other than Diamond Crystal Kosher Salt, including Morton kosher salt, use half the amount listed.
  • Grilling works best to remove the water from the zucchini. But as an alternative to grilling, you can bake the zucchini slices in a 500°F oven until golden, about 5 minutes on each side. Or, if your pan is broiler-safe and you use unbleached parchment paper marked as broiler-safe, you can broil them 6 inches from the heating element (not directly below) for 3-4 minutes per side. If baking or broiling, remember to set the oven to 350°F when you're done.
  • If you're using truly big zucchinis, ½ pound each, cut them in half crosswise, and then slice them lengthwise. Save the prettiest slices for the top of the lasagna.
  • You can grill the zucchini ahead of time. Store it in the fridge in an airtight container, separating layers with paper towels. Replace the paper towels after a few hours with dry ones.
  • You can cook the ground beef beforehand and briefly reheat it in the microwave before using it in the lasagna.
  • You can keep the leftovers in an airtight container in the fridge for 3-4 days. Reheat them in the microwave, covered, at 50% power, or uncovered in a 350°F oven. You can also freeze the cooled leftovers for up to three months.

Nutrition per Serving

Calories: 368 kcal | Carbohydrates: 9 g | Protein: 26.1 g | Fat: 25 g | Saturated Fat: 12 g | Sodium: 558 mg | Fiber: 2 g | Sugar: 3 g

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    Recipe Rating




  1. Liz says

    April 06, 2025 at 6:07 pm

    5 stars
    Fabulous!!! This zucchini lasagna was the first of your recipes i wanted to try. Trying the pizza peppers this week;) Thank you for sharing your healthy recipes!!!

    Reply
    • Vered DeLeeuw says

      April 06, 2025 at 6:26 pm

      You're very welcome, Liz! I'm so glad you enjoyed this lasagna. Thank you for trusting my recipes!

  2. Laurie Richner says

    April 06, 2025 at 2:29 pm

    5 stars
    very good and easy.

    Reply
    • Vered DeLeeuw says

      April 06, 2025 at 2:34 pm

      Glad you liked it, Laurie! Thanks for the review.

  3. Sam says

    March 15, 2025 at 3:53 pm

    5 stars
    Wow!!! This is easy to make and tastes delicious. I will be making it often. I had tried numerous other zucchini lasagna recipes, this is the first one that was not soupy. I think grilling the zucchini makes a big difference.

    Reply
    • Vered DeLeeuw says

      March 15, 2025 at 4:18 pm

      Yay! You trusted me with another recipe, Sam! I'm really glad you liked it. Thank you for taking the time to write a review.

  4. Hannah says

    December 15, 2024 at 6:33 pm

    Thank you for this recipe! I will try it today.

    Is it possible to add cooked lasagna pasta in as an additional layer to this recipe or alternating between zucchini and pasta? For those of us who are not avoiding carbs but still want to include a balanced amount of veggies and fiber 🙂

    Reply
    • Vered DeLeeuw says

      December 15, 2024 at 8:51 pm

      Hi Hannah,
      You're welcome to try! I never tried it myself. 🙂

    • Ayleen says

      April 06, 2025 at 8:07 am

      5 stars
      I cooked pasta on the side and served it with the lasagna 🙂 It worked great!

    • Vered DeLeeuw says

      April 06, 2025 at 9:42 am

      Glad you enjoyed it, Ayleen! Thanks for the review.

  5. Eva says

    August 05, 2024 at 9:31 pm

    Would an air fryer work for drying out the zucchini?

    Reply
    • Vered DeLeeuw says

      August 06, 2024 at 9:15 am

      Great question, Eva! I don't own one, so I can't give exact directions, but I believe it would.

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A photo of Vered DeLeeuw.

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Healthy Recipes Blog was founded in 2011 by Vered DeLeeuw. It features real food recipes with a focus on low-carb and gluten-free ingredients. All recipes are nutritionally reviewed by a Registered Dietitian. Contact us at HealthyRecipesBlog@gmail.com.

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