1 egg (its yolk will be used for eggwash)2/3 cup oil60-75 gr butter, melted3 tbsp yogurt1 tbsp vinegar1 tsp salt1 cup crumbled feta cheese or grated mozzarella cheese1 tbsp baking powder2 ?? cups flour (white, all purpose, sifted)1 tsp sesame seeds Put all the ingredients, except egg yolk and cheese, in a deep bowl and mix well with your hands.