Grate the zucchini and sprinkle with salt. Let it rest for 5 minutes, then squeeze out excess water.
Mix Vegetables and Eggs:
In a large bowl, combine the squeezed zucchini, diced bell pepper, diced tomatoes, parsley, spring onions, and crushed garlic. Add eggs, yogurt, salt, pepper, and herbal mixture. Mix until well combined.
Add Dry Ingredients:
Stir in the flour and baking powder until a smooth batter forms.
Bake the Base:
Preheat the oven to 180 °C (350 °F). Grease a baking dish with olive oil and pour in the zucchini mixture. Bake for 15 minutes.
Add Toppings:
Arrange tomato slices and mozzarella slices on top. Sprinkle grated pizza mozzarella over the surface.
Final Bake:
Return the dish to the oven and bake for another 10 minutes, until the cheese is melted and golden.
Serving and Storage Tips:
