Vegetable lasagna layers roasted zucchini, eggplant, peppers and mushrooms with a herby tomato sauce, a ricotta and basil filling, and plenty of mozzarella and parmesan. It feeds a crowd and tastes even better the next day.
Getting Rid of Moisture
The biggest risk with vegetable lasagna is a watery result. Salt the zucchini and eggplant slices and let them drain for at least 30 minutes, then pat them dry. Roasting the vegetables before layering removes even more moisture and concentrates their flavor. Let the baked lasagna rest for 15 minutes before cutting so the layers set.
Kosher Notes
This is a dairy (milchig) recipe. Use cheeses with a reliable hechsher. Vegetable lasagna is a popular main for Shavuot.
Make-Ahead and Freezing
Assemble up to 24 hours ahead and refrigerate, adding 10 to 15 minutes to the covered baking time. Leftovers keep for 4 days and freeze for 3 months.

Ingredients
What I use for this recipe
- 9x13 baking dishSee it on Amazon
- Rimmed baking sheetSee it on Amazon
- SaucepanSee it on Amazon
- Parchment paperSee it on Amazon
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Method
- Slice zucchini and eggplant into 1/4-inch thick rounds. Lay them on paper towels and sprinkle both sides with 2 teaspoons kosher salt. Let sit for 30 minutes to draw out moisture.
- Preheat oven to 425°F. Line two large baking sheets with parchment paper.
- Pat the salted vegetables dry with paper towels. Arrange zucchini, eggplant, bell peppers, and mushrooms on the baking sheets. Drizzle with 2 tablespoons olive oil and toss to coat.
- Roast for 20-25 minutes until vegetables are tender and lightly browned. Remove and set aside. Reduce oven temperature to 375°F.
- Heat 1 tablespoon olive oil in a large saucepan over medium heat. Add diced onion and cook for 5 minutes until softened.
- Add minced garlic and cook for 1 minute until fragrant.
- Stir in tomato paste and cook for 2 minutes. Add crushed tomatoes, oregano, basil, salt, and pepper.
- Simmer for 15 minutes, stirring occasionally, until sauce thickens slightly. Taste and adjust seasoning.
- Cook lasagna noodles according to package directions until al dente. Drain and lay flat on a clean kitchen towel.
- In a large bowl, combine ricotta, beaten egg, fresh basil, oregano, 1/2 cup parmesan, and black pepper. Mix well.
- Grease a 9x13 inch baking dish. Spread 1 cup of sauce on the bottom.
- Layer 4 lasagna noodles over the sauce. Spread half the ricotta mixture over noodles.
- Add half the roasted vegetables and 1/3 of the mozzarella cheese. Top with 1 cup sauce.
- Repeat with 4 more noodles, remaining ricotta mixture, remaining vegetables, and another 1/3 of mozzarella. Add 1 cup sauce.
- Top with final 4 noodles, remaining sauce, remaining mozzarella, and 1/2 cup parmesan.
- Cover tightly with foil and bake for 45 minutes.
- Remove foil and bake for 15 more minutes until cheese is golden and bubbly.
- Let rest for 15 minutes before slicing and serving.
Notes
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