Remove excess fat and skin from leg of lamb, rinse.
In a large saucepan, bring salted water to a boil and pre-cook leg in it for 1/2 hour. keep clear soup.
Grease a gratin dish well.
Stir yogurt, paradeis pulp with thyme, paprika, bell pepper, salt, cumin and garlic to make a thick sauce.
Place the leg in the baking dish and coat the top thickly with the yogurt sauce.
Bake in heated oven at 180-200 °C for about 1 1/2 hours.
After 1/2 hour pour a little bit of the clear soup and after 1 hour put the peeled and halved potatoes and the peeled and diced tomatoes around the meat, season lightly with salt and pepper. Pour clear soup over the meat a few times at a time.
Sprinkle the potatoes and tomatoes with chopped parsley before serving.
text slightly adapted)
Tip: Use creamy natural yogurt for an even finer result!