Grandma's Greek Cheese Bread

First, dissolve the dry yeast in warm water and let it sit for a few minutes until it becomes frothy.

Next, in a large bowl, mix the flour, olive oil, sugar, and salt. Then, add the frothy yeast mixture and knead the dough until it becomes smooth and elastic.

Then, crumble the feta cheese and Kasseri cheese into the dough, and knead it until the cheese is evenly distributed throughout the dough.