In a large electric skillet at 325° or frying pan, over medium heat, add ground beef and Italian sausage. Crumble and cook until no longer pink.
Add onions and garlic and cook until onions are translucent.
Drain grease and return to pan. Add fennel seeds, oregano, basil, salt, and pepper.
Add tomato sauce, tomato paste, and water. Turn to low heat and simmer, stirring occasionally.
While the sauce is simmering, cook lasagna noodles according to package until al dente.
In a small bowl, mix Ricotta cheese, egg, parsley, and parmesan cheese together.
To assemble the lasagna, spray a 13 x 9 baking dish with nonstick cooking spray. Add a thin layer of sauce to the bottom of pan, followed by 4-5 lasagna noodles, overlapping each other.
On top of noodles, add a layer of ricotta mixture. Top with sauce then mozzarella cheese.
Continue by adding another layer of pasta followed by the ricotta mixture, meat sauce, and mozzarella cheese. Repeat one more time ending with mozzarella cheese.
Cover with foil and bake at 350° for 55-65 minutes.
Remove foil and bake for an additional 15 minutes.
Carefully remove from oven and serve with a side salad and garlic bread.