Preheat oven to 400. Chop zucchini, onion and fresh herbs.
Combine cream cheese with dill, garlic salt, and other desired seasonings.
Brush a large baking sheet with olive oil, and stretch defrosted dough out in the pan.
Spread the cream cheese mixture over the dough, and sprinkle with Parmesan cheese.
Arrange 1 row of zucchini slices down the long side of the dough. arrange onion rounds in a row alongside zucchini. Repeat until all is used. Brush vegetables with olive oil and sprinkle with salt and pepper.
Pop into preheated oven and bake until puffy and golden brown, about 25 minutes. Sprinkle with fresh herbs such as parsley, rosemary or thyme.