01 -
Preheat oven to 350°F. Coat a 13×9-inch baking dish evenly with non-stick cooking spray.
02 -
Heat a large skillet over medium heat. Add ground beef and diced onion, breaking up the beef as it cooks. Cook until beef is browned and onion is softened, then drain excess fat.
03 -
Stir in marinara sauce and minced garlic to the skillet. Reduce heat to low and simmer, stirring occasionally, for 5 minutes.
04 -
In a bowl, combine ricotta cheese, large egg, shredded parmesan, chopped parsley, garlic powder, and onion powder. Mix until thoroughly blended.
05 -
Spoon one-third of the meat sauce mixture into the prepared baking dish, spreading evenly across the bottom. Arrange a single layer of frozen cheese ravioli over the sauce. Top ravioli with half of the ricotta mixture, smoothing it out, and then another third of the remaining meat sauce.
06 -
Repeat the layers with a second layer of ravioli, remaining ricotta mixture, and remaining meat sauce, finishing with the final portion of meat sauce on top.
07 -
Sprinkle the top evenly with shredded mozzarella cheese. Cover the baking dish tightly with aluminum foil and bake in the preheated oven for 40 minutes.
08 -
Remove foil and bake uncovered for an additional 10 minutes, until cheese is melted and golden.
09 -
Remove from oven and sprinkle with minced parsley for garnish. Let the lasagna rest for 10 minutes before slicing and serving.