Soda is added to yogurt, then beaten eggs. They add chopped filo pastry sheets and confused. Add the oil, crumbled feta cheese, chopped salami, chopped olives and half of the grated cheese. Pour into greased and floured form, then the mixture is scraped remaining cheese. I used the silicone rectangular and may in forms for muffins. Bake in preheated oven at 220S.