- Cut the eggplant into medium cubes. Heat up a pan and pour some oil in it. Add cubed eggplant. Cook for a couple of minutes. Add chopped garlic, salt and curry powder. Cook for a minute. Add crushed tomatoes. Cover the pan with a lid and let it simmer for 5 - 7 minutes. Add cubed potatoes and if you want, some soy sauce or tamari. Cook for a minute. Garnish with fresh herbs and serve.