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Keto zucchini lasagna with bubbly melted cheese on top

Layered lasagna with zucchini instead of noodles

Keto Zucchini Lasagna

Keto Zucchini Lasagna

1h 10mMedium

Prep Time

25 min

Cook Time

45 min

Total Time

1 hr 10 min

Servings

6

1 casserole

Difficulty

Medium

Cost

Budget

$

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Keto Zucchini Lasagna

Layered lasagna with zucchini instead of noodles

Thinly sliced zucchini replaces pasta sheets in this meaty, cheesy lasagna loaded with ricotta and mozzarella. All the comfort of classic lasagna with dramatically fewer carbs.

25m

Prep Time

45m

Cook Time

70m

Total Time

6

Servings

Medium

Difficulty

Budget $

Cost

Italian CuisineMain CourseGluten-FreeLow-CarbKeto
Sarah Chen
Sarah Chen

March 18, 2025(Updated April 13, 2026)

Zucchini lasagna delivers every layer of flavor you love—rich meat sauce, creamy ricotta, and bubbly mozzarella. Salting the zucchini slices draws out moisture so the lasagna sets firm rather than soupy.

Why This Recipe Works

Pre-salting and patting the zucchini dry is the critical step. Without it, the vegetable releases water during baking, resulting in a watery dish that falls apart when sliced.

Ingredients

  • 4 medium zucchini, sliced lengthwise 1/4-inch thick
  • 1 lb ground beef or Italian sausage
  • 2 cups marinara sauce (no sugar added)
  • 1 cup whole-milk ricotta cheese
  • 2 cups shredded mozzarella cheese
  • Salt and pepper to taste

Instructions

  1. 1

    Slice zucchini lengthwise, lay on paper towels, sprinkle with salt, and let drain 15 minutes. Pat completely dry.

  2. 2

    Brown ground beef in a skillet, drain fat, and stir in marinara sauce. Simmer 10 minutes.

  3. 3

    Preheat oven to 375°F. Spread a thin layer of meat sauce in a 9x13 baking dish.

  4. 4

    Layer zucchini slices, ricotta dollops, meat sauce, and mozzarella. Repeat layers twice, ending with mozzarella on top.

  5. 5

    Bake 35-40 minutes until bubbly and golden. Rest 15 minutes before slicing.

Serving Suggestions

Ways to Serve This Dish

  • Serve with crusty artisan bread for dipping

  • Finish with a drizzle of high-quality extra virgin olive oil

  • Pair with a simple arugula salad dressed in lemon vinaigrette

Substitutions

RicottaCottage cheese blended smooth

Higher protein and slightly tangier

Ground beefGround turkey

Leaner option that works equally well with the sauce

DepthPantry

Test Kitchen Pick

Olive Oil

Helpful Pantry Staple

Why the olive oil matters

On recipes like this, olive oil is not just a background fat. A better bottle gives you cleaner flavor and a better finish.

This is one of the few pantry upgrades that keeps paying off every time you cook in this lane.

  • Useful in dressings, sauces, and finishing
  • Improves flavor without changing the recipe structure

A good bottle of olive oil is one of the safest pantry upgrades for Mediterranean and Italian cooking.

Shop olive oil for this recipe

Tips & Storage

Pro Tips

  • Use a mandoline for perfectly even zucchini slices that layer neatly.

  • Let the lasagna rest a full 15 minutes after baking so it sets and slices cleanly.

Storage

Refrigerate covered for up to 4 days or freeze individual portions for up to 2 months.

Reheating

Reheat individual portions in a 350°F oven for 15-20 minutes.

Nutrition Facts

Per serving (90mg) · 6 servings

Calories340
LowModerateHigh

A moderate-calorie serving · based on a 2,000 cal daily diet

Protein22g
Carbohydrates8g
Fat28g
Fiber520mg
Sugar2g
Sodium4g

Nutritional values are approximate and may vary based on specific ingredients and preparation methods.

Frequently Asked Questions

Why is my lasagna watery?
The zucchini was not salted and drained long enough. Take time to remove as much moisture as possible.
Can I use eggplant instead?
Yes, thinly sliced and salted eggplant works beautifully as another low-carb swap.

Explore More

More Italian RecipesMore Main CourseGluten-Free RecipesLow-Carb RecipesKeto RecipesStovetop RecipesOven Recipes
Sarah Chen

About Sarah Chen

Sarah Chen is a professional recipe developer and food editor with over a decade of experience in test kitchens and food media. She trained at the Culinary Institute of America before spending six years developing and testing recipes for national food publications, where she honed her ability to translate restaurant techniques into approachable home cooking. At RecipePool, Sarah leads recipe development, ensuring every dish is tested at least three times for clarity, accuracy, and genuine deliciousness. When she is not in the kitchen, she is browsing farmers markets and collecting vintage cookbooks.

View all recipes →

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