Or yiaourtopita. A very rich and delicious basic cake.
3/4 c butter at room temperature
1 1/3 c sugar
1 c Greek yogurt
1 T vanilla
2 c flour
1 T baking powder
pinch of salt
Preheat oven to 350° and butter and flour a 9 1/2 inch springform pan.
Beat butter and sugar together until pale and fluffy. Add the eggs one at a time, beating well after each. Add vanilla and beat well.
Combine dry ingredients and add to bowl along with the yogurt. Stir to mix and then beat until thick and smooth. Spoon into pan and back for 45 minutes, or until it passes the toothpick test. You can cover with foil after 30 minutes if it seems to be browning too quickly.
Let cool for 10 minutes before removing spring pan, then allow to cool completely on a wire rack.