Prepare buttermilk by whisking curd with water, set aside.
In a mixing bowl – beat sugar and butter together in medium speed until creamy.
Add butterscotch essence, mix it once.
Add prepared buttermilk. Beat it once.
In another mixing bowl add together maida, salt and baking soda, whisk it for even mixing.
Now add this to butter sugar mixture. Beat it once to bring everything together.
Add butterscotch chips and fold it.
Cling wrap it and refrigerate for at least 30mins.
Use a measuring spoon to take the dough, Roll it and slightly flatten with your palms.
Preheat oven at 180 deg C for 10mins.
Meanwhile you shape all the cookies, place them on a baking tray with butter paper lined.
Bake in preheated oven for 10-12 mins or until the edges start to brown.
Keep an eye after 10 mins itself.
Carefully remove them from butter paper then cool in wire rack.
Cool down and then store in airtight container.
Serve Butterscotch Cookies warm with a glass of milk or as a tea time snack.