This dish represents the pivotal dinner where the protagonist and her family are first introduced to Mrs. Lowell's seemingly perfect domestic life, setting the stage for the undercurrent of tension and suspicion.
Preheat oven to 350°F.
Cook lasagna noodles according to package instructions.
In a pan, heat olive oil and brown the ground beef.
Add marinara sauce and Italian seasoning to the beef.
In a baking dish, layer noodles, beef mixture, ricotta, and mozzarella.
Repeat layers and top with Parmesan cheese.
Bake for 25 minutes, or until cheese is golden.