1. Take butter in a mixing bowl
2. Whisk it for 2 mins and spread it
3. Add powder sugar and whisk iit with butter, till the colour turns to creamish
4. Add wheat flour, oats, cocoa powder, choco chips, baking powder and soda and vanilla essence, mix all these with butter and sugar mixture

5. Try to bind it together
6. Add milk 1 spoon at time and try to bind it
7. Once it comes together keep it in fridge for 15 mins

11. Once it cools down in 5 mins it will become little hard or crunchy, remove cookies and keep it on wire rack for 10 to 15 mins to cool down completely
13. Cookies are ready

8. Grease tray, Make small ball and slight press to flatten it.. Don't flatten it much as it will be done automatically while baking
9. Place it on tray and bake in pretty heated oven at 170 degree for 20 to 25 mins
10. Remove the tray from oven once done and keep it aside for 5 mins as cookies are soft and may break