Soak the beans in water after 5 minutes u pond it n remove d back of d beans.

U put in ur onions n pepper and grand (while grinding they should not put too much water in it just small water)

Then u mix it properly for up to 5 or 10 Minutes then u put in ur salt n mix

U put ur oil on fire with little slice of onions on it, when it gets hot u start frying.

When it turns brown ur beans cake is ready (Kosai)