1. Wash lemons and cut them in half and squeeze out the juice in a bowl. Before putting the lemon juice in bowl, put 1/2 tsp of salt at the base of the bowl to avoid juice getting bitter.
2. Take the squeezed lemons upside down and shave the skin completely. Once the skin of all the lemons are shaved, cut the lemons into thin slices with the help of knife and dip these slices into the lemon juice.