1. Heat oil in a non-stick pan and add onions till cooked.
2. Mix rice, bread crumbs, cheese, egg, ketchup, nuts, salt, pepper and onions well.
3. Divided the mixture into two and give round shape, apply some oil on it and grill or shred fry till golden brown.
4. When cooked well, put on the half side of burger bun. On top of it put ring onions and tomatoes.
5. Cover with other half bun and serve hot with ketchup or mayonnaise. Or with coleslaw and French fries.