Heat oven to 345°F. Cook pasta until al dente. Rinse with cold water and set aside.
On a stovetop, brown the beef, Italian sausage, onion, and garlic over medium-high heat. Drain fat.
Stir in pasta sauce, tomato paste, and Italian seasoning. Simmer for 5 minutes.
Combine 1.5 cups of mozzarella, 1/4 cup parmesan cheese, ricotta, parsley, and egg.
Add 1 cup of the meat sauce to a pan. (9x13) Place 3 lasagna noodles, layer with 1/3 of Cheese Mix and 1 cup of meat sauce. Repeat for additional layers.
Cover pan with foil and bake in oven for 35 minutes.
Uncover, lightly cover the top with the remaining cheese (mozzarella and parmesan cheese), and bake for another 10-15 minutes. Or until browned and bubbly.
Rest Lasagna for 15 minutes before cutting and serving.