Acquire the weather.

Place a rack throughout the center of the oven and heat to 350 F. Spray a 9 x 13-inch baking dish with cooking spray. Ship a giant pot of well-salted water to a boil over extreme heat (it must model identical to the ocean).

Take away the casings from the sausage. Prepare dinner dinner the sausage in a giant skillet or saucepan over medium heat, breaking up the meat with a spatula or spoon until it isn’t pink, about 4 minutes. Improve the heat to medium-high. Add onion and proceed to organize dinner until the sausage is brown and onions are translucent, about 8 minutes. Take away from the heat.

Drain any additional fat from the skillet (tilt the skillet, allowing the fat to pool on one side and use a spoon to scoop it out). Add the vodka sauce and sun-dried tomatoes, stirring collectively until blended.

Prepare dinner dinner the spaghetti in response to bundle directions to al dente (usually about 9 minutes).

Within the meantime, in a giant bowl, stir to combine the ricotta, cream cheese, eggs, and numerous different grinds of pepper. Add the nonetheless scorching spaghetti to the bowl and shortly toss until the pasta is evenly coated and the eggs have formed a sauce. Put apart.

Mix collectively the mozzarella and parmesan in a medium bowl.

To assemble, unfold half of the meat sauce all through the underside of the baking dish. Unfold half of the pasta mixture over the meat sauce. Sprinkle half of the mozzarella and parmesan over the pasta mixture.

Proceed layering by spreading the remaining meat mixture over prime, adopted by the remaining pasta mixture, and the remaining mozzarella and parmesan.

Bake until the edges of the casserole are effervescent, and the cheese is completely melted and evenly browned, 35 to 40 minutes. If desired, broil on extreme until the cheese is browned all through, 1 to 2 minutes additional.

Let cool for 5 minutes, then garnish with parsley and serve.