Brown beef, season with chicken bouillon powder, coriander, cumin, set aside, covered.
In a food processor, mix onion, garlic and water into a fine paste, pour mixture into a large bowl, set aside.
Cube peeled potatoes, fry til golden brown.
Add in fried potatoes into the large bowl, mash.
Add in cooked beef, mix well.
Shape into patties/nuggets/ovals/rounds, dip into egg whites, and fry on medium-high heat for 5-8 mins.