Ingredients:
- 9 dried lasagna noodles (about 170g / 6 oz)
- 1 tablespoon olive oil (15 ml)
- Pinch of salt
- 15 oz ricotta cheese (425g), whole milk or part-skim
- 10 oz frozen spinach (280g), thawed and squeezed dry
- 1/2 cup grated Parmesan cheese (50g / 1.75 oz), plus extra for topping
- 1 large egg (about 50g), lightly beaten
- 1/4 teaspoon ground nutmeg (pinch)
- Salt and freshly ground black pepper to taste
- 2 tablespoons olive oil (30 ml)
- 1 small onion (about 100g / 3.5 oz), finely chopped
- 2 cloves garlic, minced
- 28 oz crushed tomatoes (800g)
- 1 teaspoon dried oregano
- 1/2 teaspoon dried basil
- 1/4 teaspoon red pepper flakes (optional)
- Salt and freshly ground black pepper to taste
- 1 cup shredded mozzarella cheese (100g / 3.5 oz)
- Fresh basil leaves, for garnish (optional)
Instructions:
- Cook lasagna noodles according to package directions until al dente. Drain, drizzle with olive oil, and spread out on parchment paper to prevent sticking.
- Sauté onion and garlic in olive oil until softened. Add crushed tomatoes, oregano, basil, red pepper flakes (if using), salt, and pepper. Simmer for 15 minutes.
- In a large bowl, combine ricotta cheese, squeezed-dry spinach, Parmesan cheese, egg, nutmeg, salt, and pepper. Mix well.
- Spread a thin layer of tomato sauce in the baking dish. Spread about 1/3 cup of ricotta filling evenly over each lasagna noodle. Roll up each noodle tightly and place seam-side down in the baking dish.
- Pour the remaining tomato sauce over the roll-ups. Sprinkle with mozzarella and Parmesan cheese. Bake in a preheated oven at 375°F (190°C) for 30-35 minutes, or until the cheese is melted and bubbly and the sauce is heated through.
- Let cool slightly before serving. Garnish with fresh basil (if desired).