Having just spent two weeks in Greece, when I had just got used to their eating hours, we returned.
That the Greeks eat extremely fresh fruits and vegetables goes without saying. That they also eat very little meat is a wonderful help to any diet, especially for people like me, diabetics. Since everything is within walking distance, that helps take care of the exercise problem.
Here is a simple example of a very satisfying evening meal when accompanied by a nice salad, that is at 10:00 PM.

Teresa’s Zucchini Pie without Phyllo

1 cup Milk
1 cup Yogurt
2 Eggs
3-4 medium zucchini, chopped finely in food processor
Pinch of salt (the Feta cheese will compensate for salt)
A grinding or two of pepper
2 cups All-purpose flour
½ cup feta, well crumbled

Pre heat oven to 400° F
Oil a sheet-pan well
In a bowl place milk, yogurt, eggs (lightly beaten), zucchini (which drain well of all moisture) add salt and pepper and flour and mix with your hands (do not over mix).
Spread contents on the sheet-pan and spread the feta on top.
Bake for about 35 minutes or until the sides start to brown.
Cut into squares and serve hot or at room temperature.