Inspired from Radhika's recipe at Tickling palates
1.5 cups + 2 tbsp all purpose flour
1.25 cups powdered sugar
1 cup milk
5 tbsp butter
1 tsp baking soda
1 tsp vanilla essence
1 tbsp white vinegar
Sift flour with sugar and baking soda and keep aside. Add milk, oil, essence and vinegar and mix well together. Bake in a greased microwave safe bowl for 5-7 minutes in high temperature setting. Allow it to cool for 10 minutes.
Simple and quick microwave cake ready to serve.