Put the bulgur in a colander, rinse with cold water and drain well. Peel the onion and garlic and fry briefly in a saucepan with the ajvar in a little oil. Wash the tomatoes and chop them roughly. Peel the zucchini and carrots and cut into small cubes. Put the bulgur and the vegetables in the saucepan with the onions, add the vegetable stock and simmer for 25 minutes, stirring frequently. Season to taste with salt, pepper and nutmeg.