- Preheat oven to 375 degrees F. 
- Lay sliced zucchini strips onto two greased baking sheet pans. 
- Bake for 15 minutes or until fork tender and set aside. 
- In a large skillet, over medium heat, cook ground beef in oil with garlic until browned completely. 
- Add salt and pepper and 2 cups of tomato sauce. Set aside. 
- In a bowl combine ricotta cheese, 1 cup mozzarella (save the other cup for topping), eggs and seasonings. 
- To assemble in a 9 by 13 casserole baking dish: 
- Place zucchini in a single layer on bottom of dish. 
- Spread half the ricotta mixture over the zucchini. 
- Spread half the meat sauce over the cheese. 
- Lay more zucchini slices over the meat and repeat again with the rest of the cheese and meat mixture. 
- Finish with the final slices of zucchini. 
- Top with reserved marinara sauce and reserved mozzarella cheese. 
- Bake 30 minutes covered then uncovered for 10 minutes until golden brown. 
- Give it a quick 1-2 minutes under broil if you like a crispier topping.