This cheesy, saucy Zucchini Lasagna with Noodles is easy to make and layered with bright, satisfying flavor. A quick homemade marinara, pasta sheets, tender summer squash, and melty mozzarella combine into a casserole that holds together without becoming watery.
Lasagna is a technique more than a strict ingredient list — you can layer nearly anything. This zucchini lasagna with pasta sheets is a lighter alternative to classic meat lasagna but still rich, cheesy, and deeply satisfying. It’s built to avoid excess liquid so the finished casserole slices cleanly and tastes great the next day.
It’s also simple to prepare from scratch. Below you’ll find ingredient notes, layering tips to prevent sogginess, and clear instructions so you can make this dish easily at home.
Ingredients & Substitutions
This recipe relies on four main components: a tomato sauce, pasta sheets, zucchini, and mozzarella. Together they deliver big flavor with minimal fuss.
- Marinara sauce – Use your favorite jarred sauce or make a simple pan sauce from canned tomatoes, garlic, dried herbs, and salt. Crushed or pureed tomatoes work best.
- Pasta – Pasta sheets help absorb the moisture released by the zucchini so the casserole isn’t watery. You can use fresh pasta, no-cook sheets, or par-cook traditional lasagna noodles (pull them 2 minutes before al dente so they’ll finish in the oven).
- Zucchini – Slice thinly and evenly, about 1/8 inch thick. Smaller to medium zucchini contain less water than large ones, which helps prevent a soggy casserole.
- Mozzarella cheese – Shredded mozzarella melts smoothly and complements the sauce and squash. Avoid very wet fresh mozzarella unless you drain it well.
Choose small to medium zucchini — larger squash hold more water and increase moisture in the dish.
Types of Pasta You Can Use
Homemade pasta provides a lovely chew and structure. If you use store-bought sheets, you can either use no-cook noodles or par-boil traditional lasagna sheets, removing them about two minutes before the package recommends so they don’t become gummy in the oven.
Layers Designed to Prevent Watery Lasagna
Assembling the lasagna with the right order of sauce, pasta, cheese, and zucchini helps the pasta absorb excess liquid and ensures the casserole sets up well. Follow this layering pattern for best results:
- Sauce
- Pasta
- Cheese
- Zucchini
- Pasta
- Sauce
- Pasta
- Cheese
- Zucchini
- Pasta
- Sauce
- Pasta
- Sauce + Cheese
Placing pasta sheets between layers gives the dish structure and lets the sheets soak up zucchini juices instead of pooling on the bottom.
Cooking Tips
These small steps make a big difference in the final texture and flavor.
Cutting the zucchini – A mandoline or a sharp knife yields uniform 1/8″ slices. If using a vegetable peeler, stack a few slices together to reach the desired thickness since peeler slices are thinner.
Make the sauce early – Simmering a quick marinara while you prep the other ingredients saves time and develops flavor. The recipe below includes a straightforward canned-tomato sauce that’s easy to prepare any night of the week.
Use an 8×8 (or 9×9) pan – This recipe is written for an 8×8; double the ingredients for a 9×13.
How to prevent watery zucchini lasagna
1) Slice the zucchini first and let them sit briefly to release some moisture. 2) Follow the layering pattern so pasta sheets absorb the liquid. 3) Bake uncovered so steam can escape and the top browns. 4) Let the casserole rest for at least 20 minutes after baking — it firms up and slices more cleanly while retaining heat.
FAQ’S
Yes. Assemble the lasagna through the final layer, cover tightly, and freeze. To bake from frozen, place in a preheated 350°F oven and bake covered for about 45 minutes, then remove the cover and bake another 25–30 minutes until bubbly and heated through.
Absolutely. Brown ground beef or turkey and stir it into the sauce, or use a Bolognese for richer flavor. The layering approach is the same.
Yes. Spinach and mushrooms work well if sautéed first; shredded carrots become tender when mixed into a layer. Thin eggplant slices are also a good substitute.
This version relies on pasta to absorb zucchini liquid. If you omit it, salt sliced zucchini and let them rest 30 minutes, then rinse and press between towels to remove excess moisture before assembling.
No. A sharp knife or vegetable peeler works fine — just aim for consistent 1/8″ slices by stacking or trimming as needed.
Yes — yellow summer squash or thin eggplant slices can be used in the same way.
Yes. Parmesan or mascarpone can be blended with mozzarella, and ricotta works if drained well. Mixing a melty cheese with a creamier option in the layers gives the best texture.
This zucchini lasagna with noodles is a lighter, homey take on classic lasagna — cheesy, layered, and made from scratch in under an hour for active prep and bake time. It keeps well and makes a great leftover meal. Enjoy!
Other zucchini recipes to enjoy!
- Zucchini pasta salad
- Grilled summer squash
- Gnocchi with tomato sauce and zucchini
The BEST Zucchini Lasagna with Noodles
Mikayla M.
Pin Recipe
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35
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1 15
Equipment
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8×8 or 9×9 casserole dish
Ingredients
- 2 zucchini small to medium
- 12 ounces mozzarella cheese shredded
- 28 ounces crushed tomatoes
- 1 teaspoon dried oregano
- 1 teaspoon dried basil
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- 1 teaspoon salt
- 10 pasta sheets(homemade, no-cook, or par-cooked)
Instructions
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Slice the zucchini into 1/8 inch thick slices and set aside. Preheat the oven to 350°F.
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Make the marinara: combine crushed tomatoes with garlic, onion (or onion powder), oregano, basil, and salt in a saucepan. Bring to a simmer and cook 10 minutes, then taste and adjust seasoning. Remove from heat and set aside.
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While the sauce simmers, roll out or prepare pasta sheets as needed and shred the mozzarella.
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Assemble in an 8×8 pan. Spread 1/4 of the sauce on the bottom.
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Place two pasta sheets trimmed to fit. Add 1/3 of the mozzarella and a single layer of zucchini, then top with two more pasta sheets.
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Repeat layers: sauce, pasta, cheese, zucchini, pasta.
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Add another layer of sauce, the final pasta sheets, then top with remaining sauce and cheese.
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Bake uncovered for 30–35 minutes, until the top is bubbly and browned.
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Let the lasagna rest at least 20 minutes before cutting and serving.
Notes
Swap in your favorite marinara or use a meat-based sauce like Bolognese if you prefer.
Nutrition
Carbohydrates: 35g
Protein: 15g
Fat: 10g
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