01 -
Boil lasagna noodles according to package directions until al dente. Drain and set aside.
02 -
Heat olive oil in a large saucepan over medium heat. Add ground beef and break into small pieces. Cook until no longer pink, about 5 minutes. Stir in chopped onion, minced garlic, oregano, basil, salt, and pepper. Cook for an additional 5 minutes until onion is translucent. Add diced tomatoes and tomato sauce. Bring to a boil, then reduce heat to low and simmer uncovered for 30 minutes, stirring occasionally.
03 -
In a medium bowl, combine thawed spinach, ricotta cheese, and mozzarella cheese. Stir until evenly mixed and set aside.
04 -
Set the oven temperature to 375°F (190°C) to prepare for baking.
05 -
Spread a few ladles of meat sauce evenly over the bottom of a baking dish. Lay out cooked noodles and pat dry if needed. Evenly distribute 2 to 3 tablespoons of the spinach and cheese mixture over each noodle, followed by 1 to 2 tablespoons of meat sauce. Roll each noodle tightly and place seam side down in the baking dish over the sauce. Repeat for all noodles.
06 -
Pour remaining meat sauce over the assembled roll-ups. Sprinkle 2 cups shredded mozzarella evenly on top.
07 -
Cover the baking dish tightly with aluminum foil and bake in the preheated oven for 30 minutes.
08 -
Remove foil and continue baking for an additional 10 minutes until cheese is bubbly and golden.
09 -
Optionally garnish with fresh basil or parsley before serving warm.