Heat up a pan and add a few tablespoons of vegetable oil, coconut oil is also very tasty in these cutlets. Add the chopped onions, ginger, garlic and chiles, ¼ tsp salt. Stir occasionally and saute until golden. Add turmeric, chili powder, coriander and garam masala. Stir and cook for a minute. Add the drained tuna and break up with a fork. There should be no big pieces of tuna, it should be mashed well. Mix well, turn off heat and set aside for a few minutes. Add the tuna mixture to the potatoes. The tuna will be a bit warm and that’s fine. Mix it up. Taste and add salt if you need to. Now, get in there with your hands and mash everything together. The mixture should easily form a ball. Flatten the ball in your palms and you have a cutlet. Set the cutlets aside. You’ll get about 20 cutlets from this recipe.