Low Carb Zucchini Lasagna Recipe

Published by:
Liz Marino
| 09/13/2022 | Last Updated: 12/30/2025

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The best Easy Zucchini Lasagna recipe! This healthy zucchini lasagna with meat is perfect for a lighter dinner! Cheesy, low carb & delicious- no noodles needed!

A piece of zucchini lasagna being lifted out of a casserole dish


 

Even if you aren’t Italian, I think we can all agree that lasagna is up there as one of the ultimate comfort dishes!

However, sometimes it’s nice to have the comfort while still being able to stick to your diet and get some extra veggies in.

An overhead shot of a white casserole dish of zucchini lasagna on a marble counter

While this zucchini lasagna doesn’t taste exactly like your traditional lasagna, it still has the delicious layers of tomato meat sauce, rich ricotta cheese mixture, and gooey mozzarella cheese!

I can’t wait for you to try and love this dish! Also, try our delicious Lasagna Soup or One Pot Lasagna!

If you are looking for more low carb dinners, try our Low Carb Chicken Parmesan or Keto Pizza!

Why We Love Low Carb Zucchini Lasagna

There is a lot to love about this low carb zucchini lasagna. It’s one of our favorite dinners because it’s:

  • Low Carb: This zucchini lasagna recipe uses zucchini “noodles” instead of traditional lasagna noodles to make this a great option for a keto dinner (16g per serving)!
  • Packed with Flavor: Even though it may be low carb, this zucchini lasagna still has the rich flavors of traditional lasagna.
  • Loaded with Veggies: Not only does this recipe have 3 lbs of zucchini, but you can also add carrot matchsticks, mushrooms, or chopped spinach (and don’t forget the tomatoes in the meat sauce)!

Zucchini Lasagna Keto Ingredients

To make zucchini lasagna you’ll need:

  • zucchini
  • ground turkey
  • onion, garlic
  • tomato paste
  • marinara sauce
  • mozzarella cheese
  • parmesan cheese
  • olive oil
  • dried basil, dried parsley, dried oregano
  • fresh basil
  • salt & pepper

For the ricotta cheese mixture you’ll need:

  • ricotta cheese
  • cottage cheese
  • egg
  • dried basil, dried parsley, dried oregano

You’ll also need a mandoline slicer for making zucchini slices.

You can find substitutions for all of these ingredients below in the green shaded box.

Ingredients for easy zucchini lasagna in white bowls: zucchini, ground turkey, onion, garlic, tomato paste, marinara sauce, mozzarella cheese, parmesan cheese, olive oil, dried basil, dried parsley, dried oregano, fresh basil, salt & pepper, ricotta cheese, cottage cheese, egg, dried basil, dried parsley, dried oregano

How to Make Zucchini Lasagna

Zucchini on a mandolin slicer to slice for zucchini lasagna
  1. Prep zucchini: Thinly slice the zucchini lengthwise to about ⅛” thick using a mandolin slicer. Place zucchini slices on lightly sprayed baking racks (that are on rimmed baking sheets), sprinkle with salt, and allow the salt to pull moisture out for about 15 mins.
slices of zucchini on a rack on a baking sheet being dabbed with a paper towel to prepare for zucchini lasagna
  1. Preheat oven to 375℉. Blot zucchini with paper towels. Bake the zucchini for 15-25 mins until they are beginning to brown.
Ground turkey,  onion, garlic, tomato paste, and spices in a pan before being stirred to be made into zucchini lasagna sauce
  1. Make meat sauce: Preheat a skillet over medium high heat. Add a drizzle of olive oil, then add the turkey, salt and pepper. Brown the turkey, breaking up the meat into small pieces.
Zucchini lasagna sauce in a pan on a marble counter with zucchini on the side
  1. Add onion, garlic, tomato paste, and dried spices to the turkey. Reduce heat to medium and sauté until onions are translucent. Stir in the marinara sauce, and simmer over low heat until thickened.
ingredients for ricotta mixture for zucchini lasagna being mixed in a clear bowl
  1. Make ricotta mixture: In a medium bowl, add ricotta, cottage cheese, egg, and dried spices, season with a pinch of salt and pepper, and mix thoroughly.
beginning layers of zucchini lasagna being layered in a white casserole dish
  1. Assemble: Grease a 9×13” baking dish. Place a very small amount of meat sauce at the bottom of the dish. Add a layer of zucchini noodles, and top with 1⁄3 of the ricotta. Sprinkle with 1⁄3 of the mozzarella and parmesan. Dot just under 1⁄3 of the meat sauce on top of the cheese. Add another layer of zucchini going the opposite direction as the previous layer.
middle layers of sauce for zucchini lasagna being layered in a white casserole dish
  1. Repeat layers two more times. Top lasagna with the best looking zucchini, more meat sauce, and cheese.
top layer of zucchini slices for zucchini lasagna being layered in a white casserole dish
  1. Bake: Cover tightly with foil and bake for about 30 mins. Uncover and bake for an additional 15 mins, or until lasagna is bubbling, and cheese is starting to brown.
An overhead shot of a white casserole dish of zucchini lasagna with fresh basil on top on a marble counter
  1. Remove from the oven and allow to rest at least 10 mins before slicing.

Substitutions for Keto Lasagna with Zucchini

Zucchini: We haven’t tried this with yellow squash, but I think it would work. Don’t use large zucchini as they will often be very seedy, look for small, thin zucchini.

Olive Oil: You can substitute avocado oil for olive oil.

Ground Turkey: You can substitue ground turkey with ground chicken or ground beef. Read Butcher Box Reviews to see why we love them for our ground turkey!

Onion & Garlic: Onion & garlic add flavor, we don’t recommend skipping.

Fresh Herbs: If you want to substitute fresh herbs in place of dried herbs, double the amount of fresh herbs to dried.

Marinara Sauce: We always make our own tomato sauce. It’s easy to make at home with this Healthy Crockpot Spaghetti Sauce recipe. This is our favorite jarred sauce.

Mozzarella Cheese: Pre-grated/shredded mozzarella cheese does not melt as well. Buying fresh mozzarella cheese and parmesan cheese and grating it will give you the best melty texture!

Ricotta Cheese: We recommend using full fat ricotta cheese. I haven’t tried this recipe with low fat so I don’t know how it would turn out.

Cottage cheese: adds a nice salt and tang to the ricotta mixture. If you prefer, you can use just ricotta. 

Egg: An egg helps the zucchini lasagna set, we don’t recommend substituting it.

If you want more delicious zucchini recipes, try one of these Healthy Zucchini Recipes!

Best Jarred Pasta Sauces

Making your own tomato sauce is SO easy and tastes so much better. Check out our Healthy Spaghetti Sauce recipe. If you’re in a pinch and want to use jarred sauce here are some of our favorites:

  • Look for LOW or NO salt. Most jarred tomato sauces are loaded with sodium!
  • Look for NO added sugar. Tomato sauce doesn’t need sugar, but many brands add it
  • Yo Mama’s
  • Organico Bello

How to Slice Zucchini for Lasagna

The best way to slice zucchini for lasagna is to use a mandolin! Gently slice zucchini longways to about 1/8 inch thick.

An overhead shot of two white plates with pieces of zucchini lasagna and a white baking dish on the side

Tips for the Best Zucchini Lasagna

Here are our best tips for making Zucchini Lasagna!

  • Look for medium size zucchini that do not have dents or brown spots. 
  • Store zucchini in an open bag in the refrigerator until ready to use. 
  • Do not wash zucchini until you’re ready to use it! It will soak up the extra water and ruin the texture of the zucchini. Wash right before slicing.
  • The thinner your zucchini noodles are, the more moisture you will be able to get out of them. If they are thicker than ¼” it will be very difficult to dry them out thoroughly.
  • Zucchini will make your mandolin slicer (or knife and cutting board) very slippery. Be careful when slicing.
  • Grate your own cheese. pre-grated/shredded cheese does not melt as well. Buying fresh mozzarella cheese and parmesan and grating it will give you the best melty texture!
  • Cottage cheese adds a nice salt and tang to the ricotta mixture. If you prefer, you can use just ricotta cheese. 
  • If your cottage cheese is runny, place it on a mesh strainer and stir gently to remove excess moisture before mixing with the ricotta cheese.
  • Try adding carrot matchsticks, mushrooms, or chopped spinach to your zucchini lasagna for extra veggies.

Zucchini Lasagna Recipe FAQ

How do you cut zucchini noodles for zucchini lasagna?

Thinly slice the zucchini lengthwise to about ⅛” thick, no thicker than ¼”. Using a mandolin slicer is the easiest way to do this.

How do you dry out zucchini slices?

Lightly spray baking racks with non-stick cooking spray, and place on rimmed baking sheets. Place zucchini slices on baking racks, sprinkle with salt, and allow the salt to pull some of the moisture out for about 15 minutes. Preheat oven to 375℉. Blot zucchini with paper towels. Bake the zucchini for 15-25 minutes until they feel dry and leathery, and are beginning to brown.

Can you freeze zucchini lasagna before cooking?

Yes! You can freeze unbaked prepared zucchini lasagna tightly wrapped for up to 2 months. Thaw in the refrigerator for 24 hours and blot excess moisture before baking as directed.

How do you dry out zucchini slices?

Lightly spray baking racks with non-stick cooking spray, place on rimmed baking sheets. Place zucchini slices on baking racks, sprinkle with salt and allow the salt to pull some of the moisture out for about 15 minutes.

How many layers of lasagna should you have?

3-4 layers is usually best for lasagna, but you can add as many layers as you’d like!

How to Store Zucchini Keto Lasagna

Storing: This zucchini lasagna will last in the refrigerator for up to 4 days in an airtight container.

Freeze unbaked prepared zucchini lasagna tightly wrapped for up to 2 months. Thaw in the refrigerator for 24 hours, and blot excess moisture before baking as directed.

Reheating: You can reheat this recipe in the microwave, toaster oven, oven, or on the stove.

A fork with a bite of zucchini lasagna from a piece on a white plate

How to Serve Keto Zucchini Lasagna

This zucchini lasagna is a complete meal on its own, but you can also serve it with:

A piece of zucchini lasagna being lifted out of a casserole dish

Easy Zucchini Lasagna

Recipe by: Liz Marino
5 from 6 votes
The best Easy Zucchini Lasagna recipe! This healthy zucchini lasagna with meat is perfect for a lighter dinner! Cheesy, low carb & delicious!
Prep Time : 45 minutes
Cook Time : 45 minutes
Total Time : 1 hour 30 minutes
Serves : 8 servings
(hover over # to adjust)

Ingredients

  • 3 lbs zucchini about 3 zucchini
  • ¼ teaspoon salt
  • ½ tablespoon olive oil
  • 1 lb lean ground turkey
  • ¼ teaspoon black pepper
  • ½ cup yellow onion diced
  • 1 tablespoon garlic minced – 3 cloves garlic
  • 1 tablespoon tomato paste
  • ½ teaspoon dried basil
  • ½ teaspoon dried parsley
  • ½ teaspoon dried oregano
  • 24 ounces marinara sauce low or no salt added
  • 12 ounces mozzarella cheese freshly shredded
  • cup grated parmesan cheese

Ricotta mixture

  • 8 ounces ricotta cheese
  • 8 ounces small curd cottage cheese
  • 1 large egg
  • 1/4 teaspoon dried basil
  • 1/4 teaspoon dried parsley
  • 1/4 teaspoon dried oregano
  • Optional garnish: 
Fresh basil
, Parmesan cheese

Instructions

  1. Thinly slice zucchini lengthwise to about ⅛” thick, no thicker than ¼”. Using a mandolin slicer is the easiest way to do this.
  2. Lightly spray baking racks with non-stick cooking spray, place on rimmed baking sheets. Place zucchini slices on baking racks, sprinkle with salt and allow the salt to pull some of the moisture out for about 15 minutes.
  3. Preheat oven to 375℉. Blot zucchini with a paper towel. Bake zucchini for 15-25 minutes until they feel dry and leathery, and are beginning to brown.
  4. Make the sauce: Preheat a large skillet over medium high heat. Add a drizzle of olive oil, then add the turkey and a generous sprinkle of salt and pepper. Brown the turkey, breaking up the meat into small pieces. When the turkey is 75% cooked through, use tongs to hold a wad of clean paper towel and blot out some of the excess water in the pan from the turkey.
  5. Add onion, garlic, tomato paste, and dried spices to the turkey. Reduce heat to medium and sauté until onions are translucent, about 4 minutes. Stir in the marinara sauce, simmer over low heat until thickened if your sauce is runny. Taste and adjust seasoning.
  6. Make the ricotta mixture: In a medium bowl, add ricotta, cottage cheese, egg and dried spices, season with a pinch of salt and pepper, and mix thoroughly.
  7. Assemble the lasagna: Grease a 9×13” baking dish with non-stick cooking spray. *Save your prettiest slices of zucchini for the top layer, put aside a generous half cup of sauce, and a generous handful of mozzarella before starting.
*
  8. Place a very small amount (about ¼ cup) of sauce in the bottom of the dish.
  9. Add a layer of zucchini noodles, and top with a third of the ricotta mixture.
  10. Sprinkle with a third of the mozzarella and parmesan.
 Dot just under a third of the sauce on top of the cheese.
  11. Add another layer of noodles going the opposite direction as the previous layer.
 Repeat layers two more times.
  12. Top lasagna with reserved zucchini, sauce, and mozzarella.
  13. Cover tightly with foil and bake for about 30 minutes. Uncover and bake an additional 15 minutes, or until lasagna is bubbling, and cheese is starting to brown.
  14. Remove from the oven and allow to rest at least 10 minutes before slicing. Garnish if desired.

Nutrition Facts

Serving: 1slice | Calories: 371kcal | Carbohydrates: 16g | Protein: 34g | Fat: 20g | Saturated Fat: 10g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 6g | Trans Fat: 0.1g | Cholesterol: 116mg | Sodium: 689mg | Potassium: 985mg | Fiber: 3g | Sugar: 9g | Vitamin A: 1219IU | Vitamin C: 38mg | Calcium: 549mg | Iron: 3mg
Course: Main Course
Cuisine: American
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5 from 6 votes (1 rating without comment)

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Recipe Rating




11 Comments

  1. Can I make ahead, refridgerate, then bake when ready to serve?

    1. I haven’t tried this so I’m not sure. I think the zucchini might get soggy/it ight get to watery. I’m sorry but without trying it I can’t be sure 🙁

  2. Robin Caldwell says:

    5 stars
    Tasty and surprisingly light! I made it for company and they loved it! I have shared the recipe with many of my zucchini growing friends.

  3. 5 stars
    Just made this for my family and my one year old ate it up and wanted more! Thanks for great recipes always!

  4. 5 stars
    I made this for dinner and it was delicious!! Everything came out just like the photos 🙂

  5. what can I substitute for turkey to mke it vegetarian?

    1. The Clean Eating Couple says:

      I’m sorry but I don’t know! I’ve only tested this with ground turkey and ground beef. Maybe beyond meat? Otherwise you can google a low carb vegetarian lasagna!

  6. 5 stars
    Super delicious! Adding to our weekend rotation as with all lasagna it can be a bit involved. Used Rao’s Arrabbiata sauce which has a little spice. This was a helpful time saver.

    Did not bake all the zucchini pieces to a leathery texture so it got a little runny. Will make sure next time they are thoroughly dried.

    Thank you for an excellent recipe!

  7. Melanie Smith-Cervera says:

    Do you think this would work with grilled zucchini?

    1. The Clean Eating Couple says:

      I’m sorry but I haven’t tried it so I really don’t know!

  8. 5 stars
    What a great way to fill a need for Italian food that’s keto friendly! Turned out wonderful!! used a “Spicy” Marinara!