Using a mortar and pestle gently crush mint leaves, sugar and a pinch of salt all together.
Once done now crush lemon slices together.
Now take a glass and coat its edges with lemon juice, now dip it in the dry mixture of Sugar+Salt+Peppermint powder.
Firstly add peppermint powder into the glass, lemon juice, crushed ice or ice cubes now add the crushed mixture of mint and lemon.
Last step is to pour in the soda and garnish it with lemon slice and mint leaves.