Spinach And Ricotta Zucchini Cannelloni

large and wide Zucchini (, washed and unpeeled)

x 400g | 14oz can crushed tomatoes ((or pasta sauce of choice/or Passata))

| 18oz frozen spinach (, thawed)

| 18oz Ricotta

eggs

garlic cloves (, crushed (or 2 teaspoons garlic powder))

mozzarella cheese (, divided)

Salt