Add the oil to the pan and heat up until hot then add the onions and cook on medium heat for 4-5 minutes until softened.
Add the cumin seeds, finely chopped garlic cloves, and green chilies then cook for 1-2 minutes.
Add the chopped tomatoes and cook for 3-4 minutes until softened.
Add the lamb and give everything a stir before covering and cook for 15 minutes, ensuring that you stir every few minutes.
Add the salt, chilli powder, turmeric powder, and coriander powder then cook the spices for 4-5 minutes.
As the spices are cooking finely chop the spinach then add to the pan and cover and cook for 5 minutes until the water is released.
Remove the lid and mix before covering and cook for 20 minutes
Add the dried fenugreek and mix.
Serve with chapatti and enjoy!