This keto-friendly chicken lasagna replaces traditional pasta with sliced zucchini for a low-carb meal. It uses a creamy Alfredo sauce and rich cheeses to create a satisfying dinner that is easy to assemble.

List of ingredients
- 1 whole baked rotisserie chicken (store-bought) – meat shredded and skin removed.
- 3 large zucchinis (about 2 pounds) – sliced into 1/8-inch strips.
- 1 1/2 cups ricotta – provides a creamy texture to the layers.
- 1/4 cup shredded Parmesan cheese – adds a salty, sharp flavor.
- 1 large egg – used as a binder for the ricotta mixture.
- 1 (15.2-ounce) jar Alfredo sauce – the primary creamy base.
- 12 ounces shredded mozzarella cheese (about 3 cups) – used for layering and topping.
step-by-step instructions
- Prepare the chicken: Remove the white and dark meat from the cooked rotisserie chicken and shred it into small pieces. Discard the skin and set the shredded meat aside for layering.
- Prep the zucchini: Wash the zucchinis and slice them lengthwise into 1/8-inch thick pieces. Lightly sprinkle both sides of each slice with salt and let them sit for 10 minutes to draw out moisture.
- Dry the zucchini: Use paper towels to dab both sides of the zucchini slices, removing as much surface water as possible.
- Pre-cook the zucchini: Arrange the slices on a baking sheet and broil both sides for 2-3 minutes each. Remove from the oven and set aside.
- Mix the cheeses: In a small bowl, stir together the ricotta, shredded Parmesan cheese, and the egg until well combined.
- Prepare the pan: Preheat your oven to 375 degrees F. Lightly grease a 10×14 glass baking or casserole dish and spread 2/3 cup of Alfredo sauce over the bottom.
- Assemble the first layer: Place an even layer of prepared zucchini slices over the sauce. Top this with half of the ricotta mixture, followed by half of the shredded chicken, and half of the remaining Alfredo sauce. Sprinkle with 1 1/2 cups of mozzarella cheese.
- Assemble the second layer: Repeat the process by adding the remaining zucchini slices, the rest of the ricotta mixture, the rest of the chicken, and the remaining Alfredo sauce. Finish with the remaining mozzarella cheese on top.
- First bake: Cover the dish with foil, making sure to leave space between the cheese and the foil to prevent sticking. Bake for 20 minutes.
- Final bake: Remove the foil and bake for another 20 minutes or until the cheese is completely melted and lightly browned.
- Rest and serve: Place the dish on a wire rack and let it cool for about 10 minutes. This allows the layers to set before cutting into squares.
Strategies for Moisture Control
Applying Salt to Extract Water
Zucchini has a very high water content which can make a lasagna soupy if not addressed. Applying salt to the slices creates an osmotic effect, drawing water out of the vegetable cells. Let the slices sit for at least 10 minutes until visible water beads form on the surface.
Using Paper Towels for Surface Drying
Once the salt has drawn out the moisture, it is essential to physically remove the liquid. Use absorbent paper towels to press firmly on both sides of every slice. This prevents excess liquid from mixing with the Alfredo sauce during the baking process.
Broiling Slices to Evaporate Liquid
Broiling the zucchini before assembly further reduces moisture through evaporation. The high heat of the broiler quickly sears the edges and removes internal water that salting cannot reach. This step also ensures the zucchini is tender rather than raw in the finished dish.
Ingredient Substitutions and Swaps
Replacing Rotisserie Chicken
If a store-bought rotisserie chicken is unavailable, you can use poached or roasted chicken breasts. Ensure the meat is fully cooked and shredded finely to ensure an even distribution of protein in every bite. Avoid using frozen pre-cooked strips as they often contain excess sodium.
Choosing Alternative White Sauces
While jarred Alfredo is convenient, you can use a homemade garlic cream sauce. Ensure the sauce is thick enough to hold the layers together; a sauce that is too thin will lead to a runny lasagna. Avoid adding extra liquids like milk or water to the sauce.
Switching Mozzarella Varieties
Low-moisture mozzarella is the best choice for this recipe to avoid adding more water to the dish. If you prefer a different flavor, a blend of provolone and mozzarella can be used. Avoid using fresh mozzarella balls as they release significant amounts of liquid when heated.
Alternatives for Ricotta Cheese
Cottage cheese can be used as a substitute for ricotta if blended until smooth. This provides a similar protein profile and creamy texture. Ensure the cottage cheese is well-drained before mixing it with the egg and Parmesan.
Customizing the Recipe
Incorporating Fresh Spinach
To add more greens, sautรฉ fresh spinach until wilted and squeeze out all excess liquid. Fold the spinach into the ricotta mixture before layering. This adds color and nutrients without compromising the structural integrity of the lasagna.
Adding Sautรฉed Mushrooms
Sliced mushrooms sautรฉed in a small amount of olive oil and garlic make a great addition. Layer the mushrooms on top of the chicken for an earthy flavor profile. Be sure to cook the mushrooms thoroughly to remove their natural water content.
Introducing Spicy Elements
For a bit of heat, add crushed red pepper flakes to the Alfredo sauce or the ricotta mixture. You can also add diced canned jalapeรฑos (drained well) between the chicken and cheese layers. This balances the richness of the cream sauce.
Advanced Assembly Techniques
Optimizing the Layering Sequence
Start with the sauce on the bottom to prevent the zucchini from sticking to the glass. Ensuring that each layer of ricotta and chicken is spread evenly prevents the lasagna from leaning to one side. The final layer of mozzarella should be a solid blanket to seal in moisture.
Proper Foil Placement
When covering the dish with foil, create a slight tent shape so the foil does not touch the cheese. If the foil contacts the mozzarella, the cheese will stick to the metal and pull away from the lasagna when removed. This also helps distribute heat more evenly.
Selecting the Right Baking Dish
A glass or ceramic 10×14 inch dish is ideal because it distributes heat consistently. Avoid using thin metal pans which can lead to burnt edges and an undercooked center. If using a deeper dish, you may need to increase the baking time slightly.
Storage and Preservation
Refrigeration Guidelines
Allow the lasagna to cool to room temperature on a wire rack before storing. Cover the dish tightly with plastic wrap or aluminum foil to prevent the edges from drying out. The lasagna will stay fresh in the refrigerator for up to 4 days.
Freezing for Long Term Use
Once fully cooled, the lasagna can be frozen for up to 4 months. For easier portioning, cut the lasagna into individual squares and freeze them separately in airtight containers. This makes it easier to reheat single servings without defrosting the whole dish.
Thawing the Lasagna
Transfer the frozen lasagna to the refrigerator 24 hours before you plan to eat it. Thawing slowly in the fridge helps maintain the texture of the zucchini. Avoid thawing in the microwave as this can cause the zucchini to release water unevenly.
Reheating Instructions
Oven Reheating Method
Preheat the oven to 325 degrees F and place the slice in a baking dish. Cover with foil and heat for 15-20 minutes until the center is hot. This method best preserves the consistency of the cheese and the zucchini.
Microwave Reheating Tips
Place a square of lasagna on a microwave-safe plate and cover it with a damp paper towel. Heat on medium power in 1-minute intervals to avoid overcooking the edges. This is the fastest method but can make the zucchini slightly softer.
Maintaining Texture During Reheating
Avoid overheating the lasagna, as the Alfredo sauce can break and separate into oil and solids. Stop heating as soon as the cheese begins to bubble. Letting the slice sit for 2 minutes after reheating helps the sauce re-emulsify.
Troubleshooting Common Issues
Dealing with a Watery Lasagna
If the lasagna is too soupy, it is likely due to insufficient salting or drying of the zucchini. You can drain excess liquid from the pan carefully using a spoon before serving. In the future, increase the broiling time for the zucchini slices.
Preventing Cheese from Burning
If the top cheese browns too quickly, lower the oven temperature by 25 degrees. Ensure the foil is on for the full first 20 minutes of baking. You can also lightly spray the top of the cheese with a bit of oil to help it brown evenly.
Fixing Mushy Zucchini
Mushy zucchini usually results from slicing the pieces too thin or skipping the broiling step. Aim for a consistent 1/8-inch thickness. Broiling the slices ensures they maintain a slight structural bite even after baking.
Frequently Asked Questions
Can I use fresh mozzarella?
Fresh mozzarella is not recommended because it contains a high percentage of water. This extra moisture can make the lasagna runny and unstable. Stick to shredded low-moisture mozzarella for the best results.
How long does it last in the fridge?
The lasagna remains safe and tasty for up to 4 days when stored in an airtight container. Always ensure it is completely cooled before sealing to prevent condensation.
Can I make this ahead of time?
Yes, you can assemble the entire lasagna and store it in the refrigerator for up to 24 hours before baking. This often allows the flavors to meld together. Simply follow the baking instructions when you are ready to serve.
What is the best way to slice zucchini?
Using a mandoline slicer is the most effective way to get perfectly uniform 1/8-inch slices. If using a knife, slice lengthwise from the center out to ensure the pieces are long and stable for layering.
Print
Chicken Alfredo Zucchini Lasagna
- Total Time: 75 minutes
- Yield: 12 squares 1x
- Diet: Keto
Description
This Low Carb and Keto Chicken Alfredo Zucchini Lasagna is a delicious alternative to traditional lasagna. Alfredo creates a white sauce that’s paired with a ricotta cheese mixture, chicken and zucchini slices.
Ingredients
- 1 whole baked rotisserie chicken (store-bought)
- 3 large zucchinis (about 2 pounds)
- 1 ยฝ cups ricotta
- ยผ cup shredded Parmesan cheese
- 1 large egg
- 1 (15.2-ounce) jar Alfredo sauce
- 12 ounces shredded mozzarella cheese (about 3 cups)
Instructions
- Step: Remove white and dark meat from cooked chicken and shred into smaller pieces. Discard skin and set chicken pieces aside.
- Step: Wash and slice zucchini lengthwise into โ -inch thick pieces. Lightly sprinkle both sides with salt and let sit 10 minutes. Dab both sides with paper towels to remove moisture.
- Step: On a baking sheet, broil both sides of zucchini slices for 2-3 minutes. Remove from oven and set aside.
- Step: In a small bowl, stir together ricotta, Parmesan cheese, and egg. Set aside.
- Step: Preheat oven to 375ยฐ F. Lightly grease a 10×14 glass baking or casserole dish. Spread โ -cup of Alfredo sauce over the bottom.
- Step: Create an even layer of the prepared zucchini slices over the sauce. Top with half of the ricotta mixture, then half of the chicken, and half of the remaining Alfredo sauce. Sprinkle with 1-ยฝ cups of mozzarella cheese.
- Step: Top with remaining zucchini slices, repeating the process for the second layer.
- Step: Cover with foil (leave space between the top of cheese and foil). Bake for 20 minutes.
- Step: Remove foil and bake 20 minutes more or until cheese is melted and lightly browned.
- Step: Cool on a wire rack about 10 minutes before cutting and serving.
Notes
Salting zucchini ahead of time is a critical step to prevent the lasagna from becoming soupy. Broil or grill the zucchini after salting to remove more moisture. Let the lasagna cool slightly before cutting to allow it to thicken.
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Category: Entree
- Method: Baking
- Cuisine: Italian
Nutrition
- Serving Size: 1 square
- Calories: 358 kcal
- Sugar: 3 g
- Sodium: 543 mg
- Fat: 22 g
- Saturated Fat: 11 g
- Unsaturated Fat: 11 g
- Trans Fat: 0 g
- Carbohydrates: 5 g
- Fiber: 1 g
- Protein: 32 g
- Cholesterol: 137 mg