To a sieve add wheat flour, baking powder and salt. Sieve it well for even mixing.
In a mixing bowl - add sugar, water and oil.
Add vanilla essence and mix well until sugar completely dissolves. In a separate bowl add curd.
Add vinegar, and baking soda. It will bubble up as you can see.
Now add curd mixture to sugar oil mixture. Whisk well.
Add wheat flour mixture and whisk it well. The mixture was thickish so added milk.
The mixture should be flowing not too runny or too thick. If you pour it should spread by itself.
Heat the sandwich maker as per the instruction manual, then grease it with oil / butter. Pour the batter into the holes in the sandwich maker, do not pour more just a layer.
Close and cook covered for 4-5 mins. Slowly open and check if its cooked it will stick. If it sticks then cook covered for another 2mins. Remove and add batter for next batch.
Eggless Pillow Cake ready!