- Preheat oven to 180°C.
- In a large bowl combine butter, lightly beated eggs, baking powder, cheese, pepper, yogurt and flour.
- Stir until thoroughly blended.
- Lightly butter a wide baking pan and transfer mixture to the pan.
- Bake for 30 - 35 minutes.
- Let it cool slightly then cut into small squares.
- Serve hot or cold.