Tear up or chop the betel leaves (paan ) and blend / grind with quarter cup of milk
Mix this milk with the remaining milk and let rest for 30 minutes or upto 4 hours . Then , strain and keep aside
Preheat your oven to 180 C / 350 F. Line a muffin pan with liners (9) or grease the cavity well
In a bowl , whisk together the flour , baking powder and salt. Keep aside
In another bowl , using a electric mixer or wooden spoon, beat together the butter and sugar until light and fluffy
Add the flour mixture and paan infused milk alternately and beat well , starting and ending with the flour. Scrape in between as needed.
So , add 1/3rd of the flour mixture , beat until incorporated - add 1/2 of the milk , beat - add , another 1/3rd of the flour mixture , beat - add the remaining milk , beat - finally , add the last of the flour mixture and beat only until incorporated
Scoop out this batter equally into the prepared liners
Bake at 180 c / 350 F for 18 to 22 minutes until the cupcake springs back when pressed on the top gently. A toothpick inserted in the centre should come out dry.
Cool completely on wire rack