This Three Cheese Vegetable Lasagna recipe is a delicious and satisfying option for your vegetarian dinner recipes rotation. You will create a comforting dish layered with rich cheese and fresh vegetables, perfect for any night of the week.
Key Ingredients & Substitutions:
- Lasagna Noodles: Use oven-ready to save time, or traditional noodles that you boil first.
- Ricotta Cheese: Cottage cheese can be used as a substitute for a lighter texture.
- Marinara Sauce: Choose your favorite store-bought brand or make your own.
- Vegetables: Spinach, zucchini, mushrooms, and bell peppers are suggested, but you can use any vegetables you enjoy.
Ingredients:
For the Filling:
- 1 tablespoon olive oil
- 1 medium onion, chopped
- 2 cloves garlic, minced
- 8 ounces cremini mushrooms, sliced
- 1 medium zucchini, diced
- 1 cup chopped bell peppers (any color)
- 5 ounces fresh spinach, roughly chopped
- 15 ounces ricotta cheese
- 1 large egg
- ½ cup grated Parmesan cheese, plus more for topping
- ½ teaspoon dried oregano
- ¼ teaspoon black pepper
- Pinch of salt
For Assembly:
- 12 ounces lasagna noodles (oven-ready or traditional)
- 24 ounces marinara sauce
- 2 cups shredded mozzarella cheese
How Much Time Will You Need?
- Total Time: 1 hour 30 minutes
- Prep Time: 30 minutes
- Cook Time: 1 hour
- Servings: 8
- Calories per serving: Approximately 450-500 kcal
- Tools Needed: Large skillet, 9×13 inch baking dish, large mixing bowl.
Step-by-Step Instructions:
1. Sauté Your Vegetables
Heat olive oil in a large skillet over medium heat. Add the chopped onion and cook until softened, about 5 minutes. Stir in the minced garlic, mushrooms, zucchini, and bell peppers. Cook for 8-10 minutes, until the vegetables are tender and any liquid has evaporated. Stir in the fresh spinach and cook just until it wilts. Remove from heat and set aside.
2. Prepare the Cheese Mixture
In a large mixing bowl, combine the ricotta cheese, egg, ½ cup Parmesan cheese, oregano, black pepper, and a pinch of salt. Mix well until all ingredients are thoroughly combined. This forms the creamy layer for your vegetarian dinner recipes.
3. Assemble the Lasagna Layers
Spread a thin layer of marinara sauce (about ½ cup) on the bottom of a 9×13 inch baking dish. Arrange a single layer of lasagna noodles over the sauce, breaking them if necessary to fit. Spread half of the ricotta mixture evenly over the noodles, then top with half of the sautéed vegetables. Sprinkle with a third of the mozzarella cheese.
4. Continue Layering
Repeat the layering process: more marinara sauce, another layer of noodles, the remaining ricotta mixture, the rest of the sautéed vegetables, and another third of the mozzarella cheese. Finish with a final layer of noodles, the remaining marinara sauce, and the last of the mozzarella cheese. Sprinkle with extra Parmesan cheese if desired.
5. Bake the Lasagna
Cover the baking dish tightly with aluminum foil. Bake for 30 minutes. Remove the foil and continue baking for another 20-30 minutes, or until the cheese is bubbly and golden brown. Let the lasagna rest for 10-15 minutes before serving to allow it to set.
Variation Ideas:
- Add a layer of roasted eggplant or sweet potatoes for extra depth of flavor.
- Include red pepper flakes in the sauce for a little heat.
- Try different cheese combinations, like provolone or smoked mozzarella.
- Incorporate herbs like fresh basil or thyme into the ricotta mixture.
Storage Instructions:
Store leftover lasagna in an airtight container in the refrigerator for up to 3-4 days. You can reheat individual portions in the microwave or a conventional oven until warmed through. For best results, cover with foil when reheating in the oven to prevent drying.
Frequently Asked Questions (FAQ):
Can I use fresh lasagna sheets?
Yes, you can use fresh lasagna sheets; you may need to adjust baking times slightly as they cook faster.
What if my spinach doesn’t wilt enough?
Continue cooking for a few more minutes, stirring frequently, until it has fully wilted.
Can I freeze this lasagna?
Absolutely! Assemble the lasagna as directed but do not bake. Cover tightly with plastic wrap and then foil, then freeze for up to 3 months. Thaw in the refrigerator overnight before baking.
Do I have to use all three cheeses?
You can certainly adjust the cheese types or quantities to your preference, though the combination provides excellent flavor and texture.
My lasagna is watery, what did I do wrong?
Ensure your vegetables are thoroughly cooked and any excess liquid has evaporated before adding them to the lasagna. Also, let the lasagna rest after baking to allow the liquids to redistribute.
Can I make this ahead of time?
Yes, you can assemble the lasagna a day in advance and store it covered in the refrigerator. Add about 10-15 minutes to the baking time if baking from cold.

