This looks like Hungarian Peach Yogurt Cake (Barackos Joghurtos Süti).

Instructions

1. Beat eggs, sugar, and vanilla until light and fluffy.
2. Add yogurt and oil, mix well.
3. Add flour and baking powder and mix to a smooth batter.
4. Pour batter into a greased baking pan.
5. Place peach slices on top.
6. Bake at 180°C (350°F) for 30–35 minutes.
7. Cool and sprinkle with powdered sugar before serving.