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black plate with zucchini lasagna

Zucchini Lasagna

This Zucchini Lasagna is healthy, low carb, keto, gluten-free, and full of amazing flavor! It's packed with veggies, and so delicious and easy to make, too.
Course Main
Cuisine Italian Inspired
Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings 8 servings
Calories 209kcal


  • 1 lb lean ground beef
  • 1 cup green bell pepper chopped
  • 1 cup yellow onion chopped
  • 3 cloves garlic minced
  • 1 (24 oz) jar of marinara sauce
  • salt and pepper to taste
  • 1 large zucchini sliced thinly (if using organic, you may need 2-3)
  • 8 oz. fresh mushrooms sliced
  • 1/2 cup fresh shredded Parmesan cheese
  • 1 1/2 cups shredded mozzarella cheese


  • Preheat oven to 350 degrees. Set aside a 13x9 inch baking dish or one of similar size.
  • Brown the ground beef in a large skillet over medium heat, crumbling as you go. Add in the garlic, onion, and green pepper, and continue to sauté for 5 minutes until veggies soften.
  • Stir in the marinara sauce and bring to a boil. Season with salt and pepper to taste. Reduce heat to low and stir in 1/4 cup parmesan cheese. Remove from the heat.
  • Place a thin layer of the sauce (about 1/2 cup) in the baking dish. Layer zucchini and mushrooms over sauce, then mozzarella cheese.
  • Repeat, alternating layering of sauce, then zucchini and mushrooms, and mozzarella. I get about two layers. Finish with a layer of mozzarella cheese on top and sprinkle with remaining Parmesan cheese.
  • Bake lasagna in the preheated oven for 15 minutes, covered with foil. After 15 minutes, remove foil and bake for an additional 15 minutes until cheese is melted and bubbly and edges of lasagna are golden brown.


  • The zucchini will release liquid as it cooks. The little extra liquid it gives to the lasagna has never been an issue or overly noticeable to me. However, you can lay your sliced zucchini on top of a layer of paper towels, sprinkle with salt, then place another layer of paper towels over the salted zucchini. Allow it to sit for about 10 minutes while the paper towels absorb any extra liquid, then continue with the recipe as normal.
  • Feel free to substitute the ground beef with ground turkey, ground chicken, or venison. Instructions and cooking times will remain the same.
  • If using organic zucchini, you will want to use at least two to three, as they are smaller than conventional zucchini. If using conventional, one large zucchini should suffice.


Calories: 209kcal | Carbohydrates: 10g | Protein: 21g | Fat: 9g | Saturated Fat: 5g | Cholesterol: 55mg | Sodium: 719mg | Potassium: 719mg | Fiber: 2g | Sugar: 6g | Vitamin A: 675IU | Vitamin C: 27.7mg | Calcium: 209mg | Iron: 2.7mg