Brown the beef on medium heat.
Slice zucchini lengthways, 8mm thick. Transfer to bowl. Add salt (to drain moisture).
Transfer beef to a bowl. Sauté garlic, onion and olive oil.
Add all types of tomato, basil and beef. Season. Simmer on low.
Mix ricotta, egg and Parmesan cheese (ignore shallots in this photo!)
Grill zucchini. Layer dish with meat sauce, then zucchini, then...
...the cheese mix and mozzarella
Repeat layers until there are no ingredients left. Last layer should be the cheese mix. Bake in oven for 10 minutes.
Add final layer of mozzarella then bake until mozzarella is browned.