America’s Test Kitchen Vegetarian Lasagna Recipe Made Easy

Updated On: October 4, 2025

Lasagna is a beloved classic comfort dish that brings warmth and satisfaction to any meal. However, finding a vegetarian version that balances hearty vegetables, rich cheese, and a flavorful tomato sauce can sometimes be a challenge.

America’s Test Kitchen has perfected a Vegetarian Lasagna recipe that delivers layers of tender pasta, savory vegetables, and creamy ricotta, all baked to bubbling perfection. Whether you’re a longtime vegetarian or simply looking to add more plant-based meals to your rotation, this recipe is a standout that promises both taste and texture without compromise.

This recipe is thoughtfully designed to ensure every bite is packed with flavor, from the robust tomato sauce infused with herbs to the tender spinach and mushrooms that add depth. Plus, it’s approachable for cooks of all skill levels, with clear instructions and tips for success.

If you’ve been on the hunt for a lasagna recipe that pleases vegetarians and meat-eaters alike, look no further — this is the ultimate dish to make your next dinner unforgettable.

Why You’ll Love This Recipe

America’s Test Kitchen Vegetarian Lasagna is a perfect blend of traditional Italian comfort food and wholesome vegetarian ingredients. Here’s why this recipe stands out:

  • Balanced Flavors: The combination of sautéed mushrooms, spinach, and a rich tomato sauce creates a delightful umami punch without the need for meat.
  • Perfectly Layered Texture: Tender pasta sheets alternate with creamy ricotta and melted mozzarella, providing a satisfying bite every time.
  • Tested for Success: Developed and refined by America’s Test Kitchen, this recipe is reliable and foolproof, ideal for home cooks.
  • Customizable: Easily swap or add vegetables based on your preference or seasonality, making this recipe versatile year-round.

With a hearty yet fresh taste profile, this vegetarian lasagna is a crowd-pleaser at family dinners, potlucks, or any cozy night in.

Ingredients

  • 1 tablespoon olive oil
  • 8 ounces cremini mushrooms, sliced
  • 4 cups fresh spinach, roughly chopped
  • 3 cloves garlic, minced
  • 1 (28-ounce) can crushed tomatoes
  • 1 teaspoon dried oregano
  • 1/2 teaspoon red pepper flakes (optional)
  • Salt and freshly ground black pepper, to taste
  • 9 no-boil lasagna noodles
  • 15 ounces ricotta cheese
  • 1 large egg
  • 1/2 cup grated Parmesan cheese
  • 2 cups shredded mozzarella cheese
  • Fresh basil leaves, for garnish (optional)

Equipment

  • Large sauté pan
  • Medium mixing bowl
  • 9×13 inch baking dish
  • Wooden spoon or silicone spatula
  • Measuring cups and spoons
  • Sharp knife and cutting board
  • Aluminum foil

Instructions

  1. Preheat your oven to 375°F (190°C). This ensures the oven is ready once your lasagna is assembled.
  2. Sauté the vegetables: Heat olive oil in a large sauté pan over medium-high heat. Add sliced mushrooms and cook until browned and their moisture evaporates, about 6-8 minutes. Add the chopped spinach and minced garlic, cooking until the spinach wilts, approximately 2-3 minutes. Remove from heat.
  3. Prepare the tomato sauce: Stir the crushed tomatoes, oregano, and red pepper flakes into the pan with vegetables. Season generously with salt and pepper. Simmer on low heat for 10 minutes to let the flavors meld.
  4. Mix the ricotta filling: In a medium bowl, combine ricotta cheese, egg, and Parmesan cheese. Mix until smooth and set aside.
  5. Assemble the lasagna: Spread a thin layer of tomato-vegetable sauce on the bottom of your baking dish. Arrange 3 no-boil noodles over the sauce. Spread 1/3 of the ricotta mixture over the noodles, then top with 1/3 of the remaining sauce. Sprinkle with 1/3 of the shredded mozzarella. Repeat these layers two more times, finishing with a generous layer of mozzarella on top.
  6. Cover and bake: Cover the baking dish tightly with aluminum foil and bake for 40 minutes. Then remove the foil and bake for an additional 15 minutes, or until the cheese is golden and bubbly.
  7. Rest before serving: Let the lasagna rest for at least 10 minutes before slicing. This helps the layers set and makes serving easier.
  8. Garnish and enjoy: Sprinkle fresh basil leaves on top for a bright, herbal finish if desired.

Tips & Variations

“Using no-boil noodles saves time and reduces mess without sacrificing texture.”

  • Vegetable swaps: Feel free to add roasted zucchini, eggplant, or bell peppers for a more colorful and nutrient-packed lasagna.
  • Cheese alternatives: For a lighter version, substitute part of the mozzarella with part-skim or use a blend of mozzarella and provolone.
  • Make ahead: Assemble the lasagna a day before and refrigerate. Bake it the next day, adding an extra 10 minutes to the covered baking time.
  • Gluten-free option: Use gluten-free lasagna noodles and check that all other ingredients are gluten-free certified.
  • Extra sauce: Double the tomato sauce to serve on the side or store for other recipes.

Nutrition Facts

Nutrient Amount per Serving
Calories 350
Protein 20g
Fat 18g
Carbohydrates 28g
Fiber 5g
Sugar 7g
Sodium 600mg

Nutrition info is approximate and based on 8 servings.

Serving Suggestions

This vegetarian lasagna pairs beautifully with a crisp green salad, such as a simple arugula and lemon vinaigrette salad. For an additional side, consider garlic bread or a warm, crusty baguette to soak up the delicious sauce.

For a balanced meal, serve with roasted or steamed vegetables like asparagus or green beans. A light red wine, such as a Chianti or Pinot Noir, complements the rich flavors of the lasagna perfectly.

Conclusion

America’s Test Kitchen Vegetarian Lasagna offers a comforting and wholesome meal that doesn’t skimp on flavor or satisfaction. With its rich tomato sauce, tender layers of pasta, and a creamy ricotta filling, this recipe is a fantastic choice for vegetarians and meat-eaters alike.

It’s a wonderful way to showcase fresh vegetables and is perfect for weeknight dinners or special occasions. The easy assembly and reliable results make it a recipe you’ll return to time and again.

Whether you’re new to vegetarian cooking or a seasoned pro, this lasagna will delight your taste buds and leave your guests asking for seconds. Don’t forget to explore other delicious recipes like our Breakfast Wellington Recipe, Braised Pork Ribs With Radish Recipe, or the unique Bluebill Duck Recipes for more culinary inspiration.

📖 Recipe Card: America's Test Kitchen Vegetarian Lasagna

Description: A hearty and flavorful vegetarian lasagna layered with ricotta, spinach, and a rich tomato sauce. Perfect for a comforting family meal.

Prep Time: PT30M
Cook Time: PT50M
Total Time: PT1H20M

Servings: 6 servings

Ingredients

  • 12 no-boil lasagna noodles
  • 2 tablespoons olive oil
  • 1 onion, finely chopped
  • 3 cloves garlic, minced
  • 10 ounces fresh spinach, chopped
  • 15 ounces ricotta cheese
  • 2 cups shredded mozzarella cheese
  • 1 cup grated Parmesan cheese
  • 4 cups marinara sauce
  • 1 teaspoon dried oregano
  • Salt and pepper to taste
  • 1/4 teaspoon red pepper flakes (optional)

Instructions

  1. Preheat oven to 375°F (190°C).
  2. Heat olive oil in a skillet over medium heat; sauté onion and garlic until translucent.
  3. Add spinach and cook until wilted; season with salt and pepper.
  4. In a bowl, mix ricotta cheese with half the Parmesan and oregano.
  5. Spread a thin layer of marinara sauce in a 9×13 inch baking dish.
  6. Layer 4 noodles over sauce, then half the ricotta mixture, half the spinach, and a third of the mozzarella.
  7. Repeat layers once more, ending with noodles and remaining marinara sauce.
  8. Top with remaining mozzarella and Parmesan cheese.
  9. Cover with foil and bake for 40 minutes.
  10. Remove foil and bake an additional 10 minutes until cheese is bubbly and golden.
  11. Let stand 10 minutes before serving.

Nutrition: Calories: 420 kcal | Protein: 28 g | Fat: 18 g | Carbs: 38 g

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Marta K

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