Ingredients:
2 cups Greek yogurt
2 large eggs, beaten
1 1/2 cups water
5  tablespoons Greek olive oil
1/4 cup milk
2 cups all-purpose flour
2 1/2 cups crumbled feta cheese

Instructions:
Preheat the oven to 325 degrees Fahrenheit. 
Spray a 9 x 13 baking pan with cooking spray or brush with olive oil 
or melted butter and set aside.

Add the yogurt and eggs together in a medium bowl and whisk until smooth. 
Whisk in the water, olive oil, and milk and keep mixing until all the ingredient
are combined. 
Add the flour and whisk until smooth. 
Stir in the feta cheese with a wooden spoon.
Pour the mixture into the 9 x 13 pan. 
Place in the center of the oven and bake until golden brown. 
This should take about an hour. 
Cool for at least 15 minutes. 
You can also cook this in a round cake pan.