Wash the mutton well cut into small cubes. Add water, salt, black pepper powder, vinegar or tamarind juice and cook well. Seperate the meat and the stock and set aside.
Peel the potatoes and cut into regular size pieces and deep fry.
In a food processor or a grinder chop together onions and garlic. Then add 1 stick cinnimon, black pepper seeds, salt, cumin powder, maduru powder or you can add unroasted
curry powder and grind well. Heat a pan with a little cooking oil and add the grinded paste. Then add the washed rice and fry for a while. Now add the mutton stock and cook well.
You can use a rice cooker to cook the rice. When the rice is half done add the mutton and fried potatoes and let the rice cook well. Garnish with some fried onions and serve hot.