Turn the slow cooker on low
Fry onions in a saute pan with the lid on until they are soft and translucent. Stir regularly to avoid burning
Make a space for the garlic in the pan and add the garlic, pouring some oil on it. The garlic should shallow fry in the pool of oil. This should take 2 minutes until the garlic is slightly browned
Pour all the spices on the garlic and onion and stir. Fry for 30 seconds, mixing well with the oil
Add the mince and stir well, ensuring the onions and spices are mixed into the meat. Add more oil if the spices are sticking
Gentle brown the mince all over. Don’t worry too much if slightly pink, as going into the slow cooker
Add the chopped tomatoes and stir in well with the mince
Add the gravy granules and mix in well
Add the kidney beans and sweetcorn and stir
Bring to the boil and once simmering, add to slow cooker and stir
Leave for 8-10 hours and serve with basmati rice.