01 -
Preheat oven to 190°C (375°F). Cook lasagna sheets in boiling water until al dente, then drain and set aside.
02 -
In a large skillet, brown the ground beef in olive oil over medium-high heat until deeply seared. Add diced onion and minced garlic, cooking until softened.
03 -
Stir in marinara sauce, Italian seasoning, salt, and black pepper. Reduce heat and simmer for 10 minutes.
04 -
In a bowl, mix ricotta cheese with the egg and half of the grated Parmesan cheese until combined.
05 -
In a baking dish, layer meat sauce, lasagna sheets, ricotta mixture, and shredded mozzarella cheese. Repeat layers until the dish is full, ending with mozzarella and the remaining Parmesan cheese.
06 -
Cover the baking dish with foil and bake for 25 minutes. Remove the foil and bake for an additional 20 minutes or until the top is golden and bubbling.
07 -
Let the lasagna rest for 10 minutes before slicing and serving.