Add the garlic and onion to a skillet with the olive oil. Cook over medium heat for around 10 minutes, stirring often, until the onion is softened. Add the pasta sauce, stir, and set aside
In a bowl, stir to combine the grated parmesan cheese, ricotta cheese, oregano, egg, and fresh basil.
Grease a 9 X 13 casserole dish with cooking spray
Add 1/3 cup sauce to the bottom of the dish and spread it out
Add 3 lasagna noodles
Place 1 cup of the ricotta mixture and spread out over the noodles
Add 1 cup of the sauce and spread out over the top
Sprinkle on 1/2 cup of mozzarella cheese
Add the next layer: 3 noodles, 1 cup of ricotta mixture, 1 cup of sauce, and 1/2 cup of mozzarella cheese
For the final layer, add 3 noodles, the rest of the ricotta mixture, the rest of the sauce, and the remaining 1 cup of mozzarella over the top
Cover the cheese lasagna with foil and bake at 350 degrees for 45 minutes
Remove the foil and bake for an additional 10 minutes
Allow to stand for 10 minutes before cutting