I like that mula ko khadeko acchar. Khadeko sabbai mitho huncha. I used to buy khadeko mula ko accar from arizona but later I stopped when I came to know that the guy who made was a cold hearted silent killer.

How to cook Aloo ko Achar - Nepali Cuisine
This one is also tasty.

http://www.youtube.com/watch?v=VYyeAPKwaFI&playnext=1&list=PLF78D54226C109B67&feature=results_video