How to prepare yogurt sponge cake?

This is a bakery item which can be prepared very quickly and taste sweet.

Ingredients:

For Cake

• 200g (1 1/2 cups) self raising flour
• 2 tsp baking powder
• 100g (1/2 cup) caster sugar
• 150 ml(2/3 cup) yogurt
• 5 tbsp sunflower oil
• 1 tsp vanilla essence

For Filling

• 2 cups of chopped fruits -apples,