Cut the onions into cubes and sauté them with the bulgur in 2 tablespoons of olive oil. Pour in the vegetable stock and let the bulgur swell over a low heat for 15 minutes.
Finely dice the garlic. Roughly dice the tomatoes and cut the zucchini into slices. Steam the zucchini and garlic in 2 tablespoons of olive oil. Add the tomato paste and sugar and sauté briefly. Season with salt and pepper.
Dice the sheep cheese. Mix the bulgur, zucchini, tomatoes, herbs and half of the sheep`s cheese together well. Pour the mixture into a baking dish and sprinkle the rest of the sheep cheese over it. Bake the casserole for about 25 minutes in a preheated oven at 200 ° C top / bottom heat.