Pre-heat oven to 350F/180C. Spray or grease and flour an 8 inch / 20cm round cake pan.
In a medium bowl whisk together the flour, baking powder and salt.
In a large bowl or stand mixer, beat the eggs, egg yolk and sugar until fluffy and light approximately 8 minutes. Add the yogurt and vanilla and combine, add the flour mixture alternately with the oil and beat just until smooth. Do not over beat.
In a small bowl toss the apricots with 1 tablespoon of flour.
Fold in the chopped apricots into the batter. Transfer the batter to the prepared pan, sprinkle with granulated sugar or Turbinado sugar. Bake for approximately 40-45 minutes, test for doneness with a toothpick. Let cool in pan 15 minutes on a wire rack. Then remove from the pan and let cool on a wire rack. Dust with powdered sugar before serving. Enjoy!
Notes
Storage: Store the cake covered at room temperature for up to 2 days, or in the refrigerator for up to 5 days.Freezing: This cake freezes beautifully. Wrap individual slices and freeze for up to 3 months. Thaw at room temperature when ready to serve and dust with fresh powdered sugar before eating.