Preheat oven at 180 degree,line, grease and dust withflour a loaf pan. Keep aside.
Shift together flour,baking powder and salt. Keep aside.
Mix together oil,passion fruit pulp and vanilla extract. Keep aside.
Beat togeher eggs,sugar and saffron using an electric beater on high speed until the mixture is creamy.
Add the yogurt and continue beating till the yogurt combines well into the egg and sugar mixture.
In three batches add shifted flour to the egg mixture alternating with the pulp and ol mixture starting and ending with the flour.
Beat for one minute on low speed till everything is well combined.
Pour the batter into the prepared loaf pan. Bake in the preheated oven for 45 - 50 minutes until the cake is done or a skewer inserted in the centre of the cake comes out clean.
Remove pan to a cooling rack.
Let the cake cool for 5 minutes in The pan.Remove from pan and let cool completely before slicing.
