In a large clean saucepan, heat the oil and ghee over medium heat.
Add in the diced onion and chillies and cook for 1 minute until onion is translucent.
When lightly browned, add in the ginger, garlic paste and cook for a further minute.
Add in the minced lamb and break down the meat with a wooden spoon.
Allow the meat to fry and brown
Cook until browned which should take around 5 minutes.
Reduce the heat to medium and add in the coriander, cumin, turmeric, chilli powder and stir.
Add in the tomato paste and sprinkle salt.
Stir well to combine.
Add in the potatoes and water and then cover and cook on low for 30 minutes
Remove from heat and stir in the garam masala and allow to sit for 2 minutes before serving.
Garnish with freshly chopped coriander.
