Cut the potatoes and onion into large pieces, mince the garlic and grate the ginger.
Heat the oil and the butter in a saucepan. Cook the onion, garlic, ginger and garam masala. Add the potatoes, lentils, coconut milk, tomato puree, water and salt. Cook 15-20min and that’s it!
Serve with basmati rice, chapati breads & coriander leaves,