Melt the butter in microwave mode for 1 minute. Mix maida with melted butter and mix it well.
Then add powdered sugar and mix it well with hand. Add the vanilla essence (or any essence you have at home).
Mix it well for sometime and keep it in refrigerator for 1/2 hour. After taking from refrigerator, mix it well for somemore time and make it into small balls and press it down.
Meanwhile, preheat the oven to 180DC. Keep these biscuits into the oven after you hear the beep. Increase the timing to 20 mintues.