Layers of pasta, rich marinara sauce, and a cheesy spinach-ricotta filling. Even meat-eaters will love this hearty vegetarian dinner.
- Sauté zucchini, mushrooms, and spinach. Mix with ricotta cheese and egg.
- Spread marinara sauce in a baking dish. Layer noodles, ricotta mixture, sauce, and mozzarella.
- Repeat layers until the dish is full. Top with parmesan.
- Bake covered for 30 minutes, then uncovered for 15 minutes until bubbly.