Salt and pepper the eggplant. Roast in a pan, remove from the pan.
Put the oil in the pan and fry the onion and paprika with the garlic and thyme for about 5 minutes. Add the tomatoes with the tomato paste and a little salt and cook for another 10 minutes. Melt the peanut butter in the sauce while stirring, add the aubergines again and simmer for 5 - 10 minutes over low heat. Scatter parsley and coriander.