Step 1

Preheat oven to 350 degrees. Spray 13 x 9-inch baking dish with non-stick cooking spray, set aside.

Step 2

Cook the pasta according to package directions to al dente, drain well and set aside. Save 1 cup pasta water.

Step 3

In a large, deep skillet or Dutch oven, brown beef and onions over medium heat until meat is no longer pink. Drain excess grease and return the pan to the heat.

Step 4

Add the marinara and water and let it simmer for 5 minutes until warmed through. Stir in the cooked pasta, remove from the heat and set aside.

Step 5

Add ricotta and egg to a large mixing bowl. Add half of the shredded mozzarella and half of the Parmesan cheese and parsley, and stir until smooth and creamy.

Step 6

Add half of the beef/pasta mixture to the bottom of the prepared baking dish. Spoon dollops of the cheese mixture evenly over the top. Top with remaining beef/pasta mixture, spreading it out with the back of a spoon to cover the creamy layer.

Step 7

Sprinkled with remaining mozzarella and parmesan cheese over the top of the pasta.

Step 8

Cover with foil and bake for 30 minutes. Garnish with fresh parsley and let stand for 5 minutes before serving.