1. Add flour, baking powder, Yogourt, salt and olive oil and mix well with a spoon
2. Add olive oil and flour if required to get a nice dough
3. Cut the dough in half
4. Place baking paper on an oven tray and shpe the first half of the dough into circle, use some flour to stop the dough from being sticking and place Avocado and cheese in the middle
5. Shape the other half to the same size and use it to cover the first half ... seal the edges well
6. Brush the top with butter and place some sesame
7. Place in 180 c oven for 15 minutes
8. Let it cool a little bit and then cut it into 4 pices
9. Serve every 2 pices with some salad and olives