First of all, take a pressure cooker and pressure mutton for at least 15 to 20 minutes. Reduce pressure.
Squeeze some oil from your oil container in a heated frying pan.
Make the onions to get golden browned in color while roasting them in this oil.
Let them cool. Grind them and make an onion paste.
Add onion paste in heated vegetable oil.
Saute after adding ginger, garlic, and finely chopped tomatoes.
Mix and then add all spices which include salt, red chili powder, cumin powder, turmeric powder, garam masala, and mutton masala.
Add beaten yogurt to it.
Then add little water after adding mutton to it.
Cook for five minutes until the meat is perfectly cooked and oil appears on the sides. Make sure all the extra moisture is evaporated.
Garnish the mutton masala with chopped coriander leaves sliced garlic and finely chopped red chilies on the top. You can also shower some ginger if you like. As the topping of every dish depends on one's choice.
Serve hot with chapattis and rice.