Spray a deep dish 8x8 baking dish with Avocado oil or olive oil.
Place the first noodle in the dish. Use one of the larger 8x8 pieces.
On top of the noodle layer, add 1/3 cup ricotta cheese and spread evenly.
Then layer 1/3 of the meat sauce, followed by 1/2 cup Mozzarella cheese.
Next place the 2 noodles that are 8x4 side by side and repeat the exact layers (noodle, ricotta, meat layer, Mozzarella).
Finally place the remaining noodle, add ricotta and meat sauce.
Add remaining sauce on top of meat layer.
Finally top with last 1/2 cup of Mozzarella cheese.
Sprinkle with oregano (if desired).
Bake at 350 for 20 minutes, then raise temperature to 375 and bake for 10 more minutes.
Let sit for a few minutes before serving.