Marinate the cut, cleaned beef with the spices mentioned for 1 hour.
:- The beef needs to be cooked in the pressure cooker until tender. It`s better that some gravy is left behind, so that the beef can be ground better and easily.
Heat little oil in a pan.
Splutter mustard seeds.
Add diced onions and saute until light brown.
Add the chopped ginger, garlic and chillies, until they are sauteed well.
Put the beef in the processor, and grind the cooked beef to make it simpler to shape cutlets.
In that mixture, add the sauteed onions and green chillies and mix well.
Finally, add the mashed potatoes and mix well, until the mixture gets mixed well.
Add salt if needed.
Shape the mixture into patties. Set aside.
Dip them in beaten egg mixture and then roll them into bread crumbs.
Deep fry the patties in oil.
:- Serve hot with tomato ketchup and french fries.